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- EMDB-18787: Cryo-EM structure of the cross-exon pre-B+5'ss+ATPgammaS complex -

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Basic information

Entry
Database: EMDB / ID: EMD-18787
TitleCryo-EM structure of the cross-exon pre-B+5'ss+ATPgammaS complex
Map data
Sample
  • Complex: human spliceosomal pre-B+5'ss+ATPyS complex
    • Protein or peptide: x 15 types
    • RNA: x 2 types
  • Protein or peptide: x 25 types
  • RNA: x 4 types
Keywordsspliceosome / SPLICING
Function / homology
Function and homology information


Lsm2-8 complex / U6 snRNA 3'-end binding / spliceosomal snRNP complex / ribonucleoprotein complex localization / U4atac snRNP / positive regulation of cytotoxic T cell differentiation / maturation of 5S rRNA / RNA localization / R-loop processing / U4atac snRNA binding ...Lsm2-8 complex / U6 snRNA 3'-end binding / spliceosomal snRNP complex / ribonucleoprotein complex localization / U4atac snRNP / positive regulation of cytotoxic T cell differentiation / maturation of 5S rRNA / RNA localization / R-loop processing / U4atac snRNA binding / mRNA decay by 5' to 3' exoribonuclease / Lsm1-7-Pat1 complex / U6 snRNP / box C/D sno(s)RNA binding / U11/U12 snRNP / PH domain binding / dense fibrillar component / U2 snRNP binding / U7 snRNA binding / histone pre-mRNA DCP binding / U7 snRNP / B-WICH complex / histone pre-mRNA 3'end processing complex / cis assembly of pre-catalytic spliceosome / SLBP independent Processing of Histone Pre-mRNAs / SLBP Dependent Processing of Replication-Dependent Histone Pre-mRNAs / box C/D methylation guide snoRNP complex / protein methylation / splicing factor binding / U4/U6 snRNP / spliceosome conformational change to release U4 (or U4atac) and U1 (or U11) / U12-type spliceosomal complex / methylosome / 7-methylguanosine cap hypermethylation / U1 snRNP binding / pICln-Sm protein complex / P-body assembly / blastocyst formation / sno(s)RNA-containing ribonucleoprotein complex / snRNP binding / U2-type catalytic step 1 spliceosome / RNA splicing, via transesterification reactions / small nuclear ribonucleoprotein complex / U4 snRNA binding / SMN-Sm protein complex / telomerase RNA binding / spliceosomal tri-snRNP complex / telomerase holoenzyme complex / P granule / U2-type spliceosomal complex / U2-type precatalytic spliceosome / mRNA cis splicing, via spliceosome / U3 snoRNA binding / commitment complex / U2-type prespliceosome assembly / U2-type catalytic step 2 spliceosome / box C/D snoRNP assembly / U4 snRNP / positive regulation of mRNA splicing, via spliceosome / U2 snRNP / SAGA complex / rRNA modification in the nucleus and cytosol / RNA Polymerase II Transcription Termination / positive regulation of transcription by RNA polymerase III / U1 snRNP / U2-type prespliceosome / tRNA processing / precatalytic spliceosome / K63-linked polyubiquitin modification-dependent protein binding / cyclosporin A binding / positive regulation of transcription by RNA polymerase I / mRNA Splicing - Minor Pathway / spliceosomal complex assembly / mRNA catabolic process / regulation of RNA splicing / nuclear-transcribed mRNA catabolic process / mRNA 3'-splice site recognition / protein peptidyl-prolyl isomerization / MLL1 complex / spliceosomal tri-snRNP complex assembly / protein deubiquitination / single fertilization / U5 snRNA binding / U5 snRNP / Major pathway of rRNA processing in the nucleolus and cytosol / positive regulation of viral genome replication / U2 snRNA binding / U6 snRNA binding / ribonucleoprotein complex binding / spliceosomal snRNP assembly / regulation of DNA repair / Cajal body / RNA processing / pre-mRNA intronic binding / U1 snRNA binding / U4/U6 x U5 tri-snRNP complex / catalytic step 2 spliceosome / Gene and protein expression by JAK-STAT signaling after Interleukin-12 stimulation / mRNA Splicing - Major Pathway / RNA splicing
Similarity search - Function
USP39 / PRP4-like superfamily / pre-mRNA processing factor 4 (PRP4) like / SF3B6, RNA recognition motif / SNU66/SART1 family / HIND motif / SART-1 family / HIND motif / Sm-like protein Lsm8 / PWI domain superfamily ...USP39 / PRP4-like superfamily / pre-mRNA processing factor 4 (PRP4) like / SF3B6, RNA recognition motif / SNU66/SART1 family / HIND motif / SART-1 family / HIND motif / Sm-like protein Lsm8 / PWI domain superfamily / PWI domain / PWI domain profile. / SF3B4, RNA recognition motif 2 / U6 snRNA-associated Sm-like protein Lsm1/8 / Pre-mRNA processing factor 4 (PRP4)-like / U6 snRNA-associated Sm-like protein LSm2 / Splicing factor SF3a60 binding domain / Sm-like protein Lsm4 / Splicing factor SF3a60 binding domain / Splicing Factor Motif, present in Prp18 and Pr04 / Sm-like protein Lsm7 / Sm-like protein LSm5 / Sm-like protein Lsm3 / U6 snRNA-associated Sm-like protein Lsm3 / Cactus-binding C-terminus of cactin protein / Pre-mRNA-splicing factor 3 / U4/U6 small nuclear ribonucleoprotein Prp3 / pre-mRNA processing factor 3 domain / Prp31 C-terminal / U4/U6 small nuclear ribonucleoprotein Prp31 / Splicing factor 3A subunit 1, ubiquitin domain / Prp31 C terminal domain / Small nuclear ribonucleoprotein Prp3, C-terminal domain / Small nuclear ribonucleoprotein Prp3, C-terminal domain / : / Replication stress response SDE2 C-terminal / PWI domain / PWI, domain in splicing factors / Dim1 family / Mitosis protein DIM1 / Mitosis protein DIM1 / PRP1 splicing factor, N-terminal / SF3A2 domain / : / PRP1 splicing factor, N-terminal / Pre-mRNA-splicing factor SF3a complex subunit 2 (Prp11) / U2 small nuclear ribonucleoprotein B'', RNA recognition motif 2 / U2 small nuclear ribonucleoprotein B'', RNA recognition motif 1 / Splicing factor SF3a60 /Prp9 subunit, C-terminal / SF3A3 domain / SF3a60/Prp9 C-terminal / Pre-mRNA-splicing factor SF3A3, of SF3a complex, Prp9 / SF3B4, RNA recognition motif 1 / : / Splicing factor 3B, subunit 5 / Splicing factor 3A subunit 1, conserved domain / Splicing factor 3A subunit 1 / Pre-mRNA splicing factor PRP21 like protein / : / Splicing factor 3B subunit 1 / : / Splicing factor 3B subunit 1 / Domain of unknown function DUF382 / Domain of unknown function (DUF382) / SWAP/Surp / SWAP/Surp superfamily / Surp module / SURP motif repeat profile. / Suppressor-of-White-APricot splicing regulator / : / Zinc-finger of C2H2 type / PHF5-like / PHF5-like protein / PSP, proline-rich / PSP / proline-rich domain in spliceosome associated proteins / Splicing factor 3B subunit 5/RDS3 complex subunit 10 / Splicing factor 3B subunit 10 (SF3b10) / Splicing factor 3B subunit 1-like / Matrin/U1-C, C2H2-type zinc finger / : / Zinc finger matrin-type profile. / Small ribonucleoprotein associated, SmB/SmN / : / Small nuclear ribonucleoprotein D1 / H/ACA ribonucleoprotein complex, subunit Nhp2-like / NOSIC / NOSIC (NUC001) domain / Nop domain / Nop domain superfamily / Nop, C-terminal domain / snoRNA binding domain, fibrillarin / Nop domain profile. / Ubiquitin Carboxyl-terminal Hydrolase-like zinc finger / Zinc finger, UBP-type / U2A'/phosphoprotein 32 family A, C-terminal / Zn-finger in ubiquitin-hydrolases and other protein / Zinc finger UBP-type profile. / occurring C-terminal to leucine-rich repeats / PPP2R1A-like HEAT repeat
Similarity search - Domain/homology
U4/U6 small nuclear ribonucleoprotein Prp4 / U4/U6.U5 tri-snRNP-associated protein 1 / U4/U6 small nuclear ribonucleoprotein Prp3 / Peptidyl-prolyl cis-trans isomerase H / Splicing factor 3B subunit 1 / U5 small nuclear ribonucleoprotein 200 kDa helicase / Pre-mRNA-processing factor 6 / U6 snRNA-associated Sm-like protein LSm8 / U2 small nuclear ribonucleoprotein B'' / U2 small nuclear ribonucleoprotein A' ...U4/U6 small nuclear ribonucleoprotein Prp4 / U4/U6.U5 tri-snRNP-associated protein 1 / U4/U6 small nuclear ribonucleoprotein Prp3 / Peptidyl-prolyl cis-trans isomerase H / Splicing factor 3B subunit 1 / U5 small nuclear ribonucleoprotein 200 kDa helicase / Pre-mRNA-processing factor 6 / U6 snRNA-associated Sm-like protein LSm8 / U2 small nuclear ribonucleoprotein B'' / U2 small nuclear ribonucleoprotein A' / Small nuclear ribonucleoprotein-associated proteins B and B' / NHP2-like protein 1 / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein F / Small nuclear ribonucleoprotein G / U6 snRNA-associated Sm-like protein LSm3 / U6 snRNA-associated Sm-like protein LSm6 / Small nuclear ribonucleoprotein Sm D1 / Small nuclear ribonucleoprotein Sm D2 / Small nuclear ribonucleoprotein Sm D3 / Thioredoxin-like protein 4A / Splicing factor 3A subunit 3 / Splicing factor 3B subunit 2 / 116 kDa U5 small nuclear ribonucleoprotein component / Splicing factor 3B subunit 3 / Splicing factor 3B subunit 4 / Splicing factor 3A subunit 2 / Splicing factor 3A subunit 1 / Ubiquitin carboxyl-terminal hydrolase 39 / Pre-mRNA-processing-splicing factor 8 / PHD finger-like domain-containing protein 5A / U4/U6 small nuclear ribonucleoprotein Prp31 / U5 small nuclear ribonucleoprotein 40 kDa protein / Probable ATP-dependent RNA helicase DDX23 / Splicing factor 3B subunit 5 / U6 snRNA-associated Sm-like protein LSm7 / U6 snRNA-associated Sm-like protein LSm2 / Splicing factor 3B subunit 6 / U6 snRNA-associated Sm-like protein LSm5 / U6 snRNA-associated Sm-like protein LSm4
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 4.3 Å
AuthorsZhang Z / Kumar V / Dybkov O / Will CL / Zhong J / Ludwig S / Urlaub H / Kastner B / Stark H / Luehrmann R
Funding support Germany, 1 items
OrganizationGrant numberCountry
German Research Foundation (DFG) Germany
CitationJournal: Nature / Year: 2024
Title: Structural insights into the cross-exon to cross-intron spliceosome switch.
Authors: Zhenwei Zhang / Vinay Kumar / Olexandr Dybkov / Cindy L Will / Jiayun Zhong / Sebastian E J Ludwig / Henning Urlaub / Berthold Kastner / Holger Stark / Reinhard Lührmann /
Abstract: Early spliceosome assembly can occur through an intron-defined pathway, whereby U1 and U2 small nuclear ribonucleoprotein particles (snRNPs) assemble across the intron. Alternatively, it can occur ...Early spliceosome assembly can occur through an intron-defined pathway, whereby U1 and U2 small nuclear ribonucleoprotein particles (snRNPs) assemble across the intron. Alternatively, it can occur through an exon-defined pathway, whereby U2 binds the branch site located upstream of the defined exon and U1 snRNP interacts with the 5' splice site located directly downstream of it. The U4/U6.U5 tri-snRNP subsequently binds to produce a cross-intron (CI) or cross-exon (CE) pre-B complex, which is then converted to the spliceosomal B complex. Exon definition promotes the splicing of upstream introns and plays a key part in alternative splicing regulation. However, the three-dimensional structure of exon-defined spliceosomal complexes and the molecular mechanism of the conversion from a CE-organized to a CI-organized spliceosome, a pre-requisite for splicing catalysis, remain poorly understood. Here cryo-electron microscopy analyses of human CE pre-B complex and B-like complexes reveal extensive structural similarities with their CI counterparts. The results indicate that the CE and CI spliceosome assembly pathways converge already at the pre-B stage. Add-back experiments using purified CE pre-B complexes, coupled with cryo-electron microscopy, elucidate the order of the extensive remodelling events that accompany the formation of B complexes and B-like complexes. The molecular triggers and roles of B-specific proteins in these rearrangements are also identified. We show that CE pre-B complexes can productively bind in trans to a U1 snRNP-bound 5' splice site. Together, our studies provide new mechanistic insights into the CE to CI switch during spliceosome assembly and its effect on pre-mRNA splice site pairing at this stage.
History
DepositionOct 31, 2023-
Header (metadata) releaseMay 22, 2024-
Map releaseMay 22, 2024-
UpdateJul 10, 2024-
Current statusJul 10, 2024Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_18787.png

Downloads & links

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Map

FileDownload / File: emd_18787.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

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AxesZ (Sec.)Y (Row.)X (Col.)
1.16 Å/pix.
x 480 pix.
= 556.8 Å		1.16 Å/pix.
x 480 pix.
= 556.8 Å		1.16 Å/pix.
x 480 pix.
= 556.8 Å

Surface

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Images are generated by Spider.

Voxel sizeX=Y=Z: 1.16 Å
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Histogram (log scale)
Contour LevelBy AUTHOR: 0.0068
Minimum - Maximum-0.01145688 - 0.051620007
Average (Standard dev.)0.00022258503 (±0.0028465043)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 556.8 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_18787_half_map_1.map
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Half map: #1

Fileemd_18787_half_map_2.map
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Sample components

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Entire : human spliceosomal pre-B+5'ss+ATPyS complex

EntireName: human spliceosomal pre-B+5'ss+ATPyS complex
Components
  • Complex: human spliceosomal pre-B+5'ss+ATPyS complex
    • Protein or peptide: U6 snRNA-associated Sm-like protein LSm6
    • Protein or peptide: U6 snRNA-associated Sm-like protein LSm7
    • Protein or peptide: U6 snRNA-associated Sm-like protein LSm2
    • Protein or peptide: U6 snRNA-associated Sm-like protein LSm3
    • Protein or peptide: U6 snRNA-associated Sm-like protein LSm8
    • Protein or peptide: U6 snRNA-associated Sm-like protein LSm4
    • Protein or peptide: U6 snRNA-associated Sm-like protein LSm5
    • Protein or peptide: U5 small nuclear ribonucleoprotein 40 kDa protein
    • Protein or peptide: Splicing factor 3B subunit 4
    • RNA: pre-mRNA
    • Protein or peptide: Splicing factor 3A subunit 2
    • Protein or peptide: Splicing factor 3A subunit 3
    • Protein or peptide: Splicing factor 3B subunit 2
    • Protein or peptide: Splicing factor 3B subunit 5
    • RNA: U2 snRNA
    • Protein or peptide: Splicing factor 3B subunit 3
    • Protein or peptide: PHD finger-like domain-containing protein 5A
  • Protein or peptide: Splicing factor 3B subunit 1
  • Protein or peptide: Splicing factor 3B subunit 6
  • Protein or peptide: Small nuclear ribonucleoprotein Sm D2
  • Protein or peptide: U2 small nuclear ribonucleoprotein B''
  • Protein or peptide: Small nuclear ribonucleoprotein F
  • Protein or peptide: Small nuclear ribonucleoprotein-associated proteins B and B'
  • Protein or peptide: Small nuclear ribonucleoprotein Sm D3
  • Protein or peptide: Small nuclear ribonucleoprotein G
  • Protein or peptide: Small nuclear ribonucleoprotein E
  • Protein or peptide: Small nuclear ribonucleoprotein Sm D1
  • Protein or peptide: U2 small nuclear ribonucleoprotein A'
  • Protein or peptide: U5 small nuclear ribonucleoprotein 200 kDa helicase
  • Protein or peptide: Peptidyl-prolyl cis-trans isomerase H
  • Protein or peptide: Probable ATP-dependent RNA helicase DDX23
  • Protein or peptide: U4/U6 small nuclear ribonucleoprotein Prp3
  • Protein or peptide: U4/U6 small nuclear ribonucleoprotein Prp31
  • Protein or peptide: U4/U6 small nuclear ribonucleoprotein Prp4
  • Protein or peptide: Pre-mRNA-processing factor 6
  • Protein or peptide: Pre-mRNA-processing-splicing factor 8
  • Protein or peptide: Ubiquitin carboxyl-terminal hydrolase 39
  • Protein or peptide: U4/U6.U5 tri-snRNP-associated protein 1
  • Protein or peptide: 116 kDa U5 small nuclear ribonucleoprotein component
  • Protein or peptide: NHP2-like protein 1, N-terminally processed
  • Protein or peptide: Thioredoxin-like protein 4A
  • Protein or peptide: Splicing factor 3A subunit 1
  • RNA: U5 snRNA
  • RNA: 5'ss oligo
  • RNA: U4 snRNA
  • RNA: U6 snRNA

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Supramolecule #1: human spliceosomal pre-B+5'ss+ATPyS complex

SupramoleculeName: human spliceosomal pre-B+5'ss+ATPyS complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#17
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: U6 snRNA-associated Sm-like protein LSm6

MacromoleculeName: U6 snRNA-associated Sm-like protein LSm6 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 9.139571 KDa
SequenceString:
MSLRKQTPSD FLKQIIGRPV VVKLNSGVDY RGVLACLDGY MNIALEQTEE YVNGQLKNKY GDAFIRGNNV LYISTQKRRM

UniProtKB: U6 snRNA-associated Sm-like protein LSm6

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Macromolecule #2: U6 snRNA-associated Sm-like protein LSm7

MacromoleculeName: U6 snRNA-associated Sm-like protein LSm7 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.617363 KDa
SequenceString:
MADKEKKKKE SILDLSKYID KTIRVKFQGG REASGILKGF DPLLNLVLDG TIEYMRDPDD QYKLTEDTRQ LGLVVCRGTS VVLICPQDG MEAIPNPFIQ QQDA

UniProtKB: U6 snRNA-associated Sm-like protein LSm7

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Macromolecule #3: U6 snRNA-associated Sm-like protein LSm2

MacromoleculeName: U6 snRNA-associated Sm-like protein LSm2 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 10.847495 KDa
SequenceString:
MLFYSFFKSL VGKDVVVELK NDLSICGTLH SVDQYLNIKL TDISVTDPEK YPHMLSVKNC FIRGSVVRYV QLPADEVDTQ LLQDAARKE ALQQKQ

UniProtKB: U6 snRNA-associated Sm-like protein LSm2

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Macromolecule #4: U6 snRNA-associated Sm-like protein LSm3

MacromoleculeName: U6 snRNA-associated Sm-like protein LSm3 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.85939 KDa
SequenceString:
MADDVDQQQT TNTVEEPLDL IRLSLDERIY VKMRNDRELR GRLHAYDQHL NMILGDVEET VTTIEIDEET YEEIYKSTKR NIPMLFVRG DGVVLVAPPL RVG

UniProtKB: U6 snRNA-associated Sm-like protein LSm3

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Macromolecule #5: U6 snRNA-associated Sm-like protein LSm8

MacromoleculeName: U6 snRNA-associated Sm-like protein LSm8 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 10.410589 KDa
SequenceString:
MTSALENYIN RTVAVITSDG RMIVGTLKGF DQTINLILDE SHERVFSSSQ GVEQVVLGLY IVRGDNVAVI GEIDEETDSA LDLGNIRAE PLNSVAH

UniProtKB: U6 snRNA-associated Sm-like protein LSm8

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Macromolecule #6: U6 snRNA-associated Sm-like protein LSm4

MacromoleculeName: U6 snRNA-associated Sm-like protein LSm4 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 15.375775 KDa
SequenceString:
MLPLSLLKTA QNHPMLVELK NGETYNGHLV SCDNWMNINL REVICTSRDG DKFWRMPECY IRGSTIKYLR IPDEIIDMVK EEVVAKGRG RGGLQQQKQQ KGRGMGGAGR GVFGGRGRGG IPGTGRGQPE KKPGRQAGKQ

UniProtKB: U6 snRNA-associated Sm-like protein LSm4

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Macromolecule #7: U6 snRNA-associated Sm-like protein LSm5

MacromoleculeName: U6 snRNA-associated Sm-like protein LSm5 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 9.945448 KDa
SequenceString:
MAANATTNPS QLLPLELVDK CIGSRIHIVM KSDKEIVGTL LGFDDFVNMV LEDVTEFEIT PEGRRITKLD QILLNGNNIT MLVPGGEGP EV

UniProtKB: U6 snRNA-associated Sm-like protein LSm5

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Macromolecule #8: U5 small nuclear ribonucleoprotein 40 kDa protein

MacromoleculeName: U5 small nuclear ribonucleoprotein 40 kDa protein / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 39.359492 KDa
SequenceString: MIEQQKRKGP ELPLVPVKRQ RHELLLGAGS GPGAGQQQAT PGALLQAGPP RCSSLQAPIM LLSGHEGEVY CCKFHPNGST LASAGFDRL ILLWNVYGDC DNYATLKGHS GAVMELHYNT DGSMLFSAST DKTVAVWDSE TGERVKRLKG HTSFVNSCYP A RRGPQLVC ...String:
MIEQQKRKGP ELPLVPVKRQ RHELLLGAGS GPGAGQQQAT PGALLQAGPP RCSSLQAPIM LLSGHEGEVY CCKFHPNGST LASAGFDRL ILLWNVYGDC DNYATLKGHS GAVMELHYNT DGSMLFSAST DKTVAVWDSE TGERVKRLKG HTSFVNSCYP A RRGPQLVC TGSDDGTVKL WDIRKKAAIQ TFQNTYQVLA VTFNDTSDQI ISGGIDNDIK VWDLRQNKLT YTMRGHADSV TG LSLSSEG SYLLSNAMDN TVRVWDVRPF APKERCVKIF QGNVHNFEKN LLRCSWSPDG SKIAAGSADR FVYVWDTTSR RIL YKLPGH AGSINEVAFH PDEPIIISAS SDKRLYMGEI Q

UniProtKB: U5 small nuclear ribonucleoprotein 40 kDa protein

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Macromolecule #9: Splicing factor 3B subunit 4

MacromoleculeName: Splicing factor 3B subunit 4 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 44.43657 KDa
SequenceString: MAAGPISERN QDATVYVGGL DEKVSEPLLW ELFLQAGPVV NTHMPKDRVT GQHQGYGFVE FLSEEDADYA IKIMNMIKLY GKPIRVNKA SAHNKNLDVG ANIFIGNLDP EIDEKLLYDT FSAFGVILQT PKIMRDPDTG NSKGYAFINF ASFDASDAAI E AMNGQYLC ...String:
MAAGPISERN QDATVYVGGL DEKVSEPLLW ELFLQAGPVV NTHMPKDRVT GQHQGYGFVE FLSEEDADYA IKIMNMIKLY GKPIRVNKA SAHNKNLDVG ANIFIGNLDP EIDEKLLYDT FSAFGVILQT PKIMRDPDTG NSKGYAFINF ASFDASDAAI E AMNGQYLC NRPITVSYAF KKDSKGERHG SAAERLLAAQ NPLSQADRPH QLFADAPPPP SAPNPVVSSL GSGLPPPGMP PP GSFPPPV PPPGALPPGI PPAMPPPPMP PGAAGHGPPS AGTPGAGHPG HGHSHPHPFP PGGMPHPGMS QMQLAHHGPH GLG HPHAGP PGSGGQPPPR PPPGMPHPGP PPMGMPPRGP PFGSPMGHPG PMPPHGMRGP PPLMPPHGYT GPPRPPPYGY QRGP LPPPR PTPRPPVPPR GPLRGPLPQ

UniProtKB: Splicing factor 3B subunit 4

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Macromolecule #11: Splicing factor 3A subunit 2

MacromoleculeName: Splicing factor 3A subunit 2 / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 49.327355 KDa
SequenceString: MDFQHRPGGK TGSGGVASSS ESNRDRRERL RQLALETIDI NKDPYFMKNH LGSYECKLCL TLHNNEGSYL AHTQGKKHQT NLARRAAKE AKEAPAQPAP EKVKVEVKKF VKIGRPGYKV TKQRDSEMGQ QSLLFQIDYP EIAEGIMPRH RFMSAYEQRI E PPDRRWQY ...String:
MDFQHRPGGK TGSGGVASSS ESNRDRRERL RQLALETIDI NKDPYFMKNH LGSYECKLCL TLHNNEGSYL AHTQGKKHQT NLARRAAKE AKEAPAQPAP EKVKVEVKKF VKIGRPGYKV TKQRDSEMGQ QSLLFQIDYP EIAEGIMPRH RFMSAYEQRI E PPDRRWQY LLMAAEPYET IAFKVPSREI DKAEGKFWTH WNRETKQFFL QFHFKMEKPP APPSLPAGPP GVKRPPPPLM NG LPPRPPL PESLPPPPPG GLPLPPMPPT GPAPSGPPGP PQLPPPAPGV HPPAPVVHPP ASGVHPPAPG VHPPAPGVHP PAP GVHPPT SGVHPPAPGV HPPAPGVHPP APGVHPPAPG VHPPAPGVHP PPSAGVHPQA PGVHPAAPAV HPQAPGVHPP APGM HPQAP GVHPQPPGVH PSAPGVHPQP PGVHPSNPGV HPPTPMPPML RPPLPSEGPG NIPPPPPTN

UniProtKB: Splicing factor 3A subunit 2

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Macromolecule #12: Splicing factor 3A subunit 3

MacromoleculeName: Splicing factor 3A subunit 3 / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 58.934844 KDa
SequenceString: METILEQQRR YHEEKERLMD VMAKEMLTKK STLRDQINSD HRTRAMQDRY MEVSGNLRDL YDDKDGLRKE ELNAISGPNE FAEFYNRLK QIKEFHRKHP NEICVPMSVE FEELLKAREN PSEEAQNLVE FTDEEGYGRY LDLHDCYLKY INLKASEKLD Y ITYLSIFD ...String:
METILEQQRR YHEEKERLMD VMAKEMLTKK STLRDQINSD HRTRAMQDRY MEVSGNLRDL YDDKDGLRKE ELNAISGPNE FAEFYNRLK QIKEFHRKHP NEICVPMSVE FEELLKAREN PSEEAQNLVE FTDEEGYGRY LDLHDCYLKY INLKASEKLD Y ITYLSIFD QLFDIPKERK NAEYKRYLEM LLEYLQDYTD RVKPLQDQNE LFGKIQAEFE KKWENGTFPG WPKETSSALT HA GAHLDLS AFSSWEELAS LGLDRLKSAL LALGLKCGGT LEERAQRLFS TKGKSLESLD TSLFAKNPKS KGTKRDTERN KDI AFLEAQ IYEYVEILGE QRHLTHENVQ RKQARTGEER EEEEEEQISE SESEDEENEI IYNPKNLPLG WDGKPIPYWL YKLH GLNIN YNCEICGNYT YRGPKAFQRH FAEWRHAHGM RCLGIPNTAH FANVTQIEDA VSLWAKLKLQ KASERWQPDT EEEYE DSSG NVVNKKTYED LKRQGLL

UniProtKB: Splicing factor 3A subunit 3

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Macromolecule #13: Splicing factor 3B subunit 2

MacromoleculeName: Splicing factor 3B subunit 2 / type: protein_or_peptide / ID: 13 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 100.377812 KDa
SequenceString: MATEHPEPPK AELQLPPPPP PGHYGAWAAQ ELQAKLAEIG APIQGNREEL VERLQSYTRQ TGIVLNRPVL RGEDGDKAAP PPMSAQLPG IPMPPPPLGL PPLQPPPPPP PPPPGLGLGF PMAHPPNLGP PPPLRVGEPV ALSEEERLKL AQQQAALLMQ Q EERAKQQG ...String:
MATEHPEPPK AELQLPPPPP PGHYGAWAAQ ELQAKLAEIG APIQGNREEL VERLQSYTRQ TGIVLNRPVL RGEDGDKAAP PPMSAQLPG IPMPPPPLGL PPLQPPPPPP PPPPGLGLGF PMAHPPNLGP PPPLRVGEPV ALSEEERLKL AQQQAALLMQ Q EERAKQQG DHSLKEHELL EQQKRAAVLL EQERQQEIAK MGTPVPRPPQ DMGQIGVRTP LGPRVAAPVG PVGPTPTVLP MG APVPRPR GPPPPPGDEN REMDDPSVGP KIPQALEKIL QLKESRQEEM NSQQEEEEME TDARSSLGQS ASETEEDTVS VSK KEKNRK RRNRKKKKKP QRVRGVSSES SGDREKDSTR SRGSDSPAAD VEIEYVTEEP EIYEPNFIFF KRIFEAFKLT DDVK KEKEK EPEKLDKLEN SAAPKKKGFE EEHKDSDDDS SDDEQEKKPE APKLSKKKLR RMNRFTVAEL KQLVARPDVV EMHDV TAQD PKLLVHLKAT RNSVPVPRHW CFKRKYLQGK RGIEKPPFEL PDFIKRTGIQ EMREALQEKE EQKTMKSKMR EKVRPK MGK IDIDYQKLHD AFFKWQTKPK LTIHGDLYYE GKEFETRLKE KKPGDLSDEL RISLGMPVGP NAHKVPPPWL IAMQRYG PP PSYPNLKIPG LNSPIPESCS FGYHAGGWGK PPVDETGKPL YGDVFGTNAA EFQTKTEEEE IDRTPWGELE PSDEESSE E EEEEESDEDK PDETGFITPA DSGLITPGGF SSVPAGMETP ELIELRKKKI EEAMDGSETP QLFTVLPEKR TATVGGAMM GSTHIYDMST VMSRKGPAPE LQGVEVALAP EELELDPMAM TQKYEEHVRE QQAQVEKEDF SDMVAEHAAK QKQKKRKAQP QDSRGGSKK YKEFKF

UniProtKB: Splicing factor 3B subunit 2

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Macromolecule #14: Splicing factor 3B subunit 5

MacromoleculeName: Splicing factor 3B subunit 5 / type: protein_or_peptide / ID: 14 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 10.149369 KDa
SequenceString:
MTDRYTIHSQ LEHLQSKYIG TGHADTTKWE WLVNQHRDSY CSYMGHFDLL NYFAIAENES KARVRFNLME KMLQPCGPPA DKPEEN

UniProtKB: Splicing factor 3B subunit 5

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Macromolecule #16: Splicing factor 3B subunit 3

MacromoleculeName: Splicing factor 3B subunit 3 / type: protein_or_peptide / ID: 16 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 135.718844 KDa
SequenceString: MFLYNLTLQR ATGISFAIHG NFSGTKQQEI VVSRGKILEL LRPDPNTGKV HTLLTVEVFG VIRSLMAFRL TGGTKDYIVV GSDSGRIVI LEYQPSKNMF EKIHQETFGK SGCRRIVPGQ FLAVDPKGRA VMISAIEKQK LVYILNRDAA ARLTISSPLE A HKANTLVY ...String:
MFLYNLTLQR ATGISFAIHG NFSGTKQQEI VVSRGKILEL LRPDPNTGKV HTLLTVEVFG VIRSLMAFRL TGGTKDYIVV GSDSGRIVI LEYQPSKNMF EKIHQETFGK SGCRRIVPGQ FLAVDPKGRA VMISAIEKQK LVYILNRDAA ARLTISSPLE A HKANTLVY HVVGVDVGFE NPMFACLEMD YEEADNDPTG EAAANTQQTL TFYELDLGLN HVVRKYSEPL EEHGNFLITV PG GSDGPSG VLICSENYIT YKNFGDQPDI RCPIPRRRND LDDPERGMIF VCSATHKTKS MFFFLAQTEQ GDIFKITLET DED MVTEIR LKYFDTVPVA AAMCVLKTGF LFVASEFGNH YLYQIAHLGD DDEEPEFSSA MPLEEGDTFF FQPRPLKNLV LVDE LDSLS PILFCQIADL ANEDTPQLYV ACGRGPRSSL RVLRHGLEVS EMAVSELPGN PNAVWTVRRH IEDEFDAYII VSFVN ATLV LSIGETVEEV TDSGFLGTTP TLSCSLLGDD ALVQVYPDGI RHIRADKRVN EWKTPGKKTI VKCAVNQRQV VIALTG GEL VYFEMDPSGQ LNEYTERKEM SADVVCMSLA NVPPGEQRSR FLAVGLVDNT VRIISLDPSD CLQPLSMQAL PAQPESL CI VEMGGTEKQD ELGERGSIGF LYLNIGLQNG VLLRTVLDPV TGDLSDTRTR YLGSRPVKLF RVRMQGQEAV LAMSSRSW L SYSYQSRFHL TPLSYETLEF ASGFASEQCP EGIVAISTNT LRILALEKLG AVFNQVAFPL QYTPRKFVIH PESNNLIII ETDHNAYTEA TKAQRKQQMA EEMVEAAGED ERELAAEMAA AFLNENLPES IFGAPKAGNG QWASVIRVMN PIQGNTLDLV QLEQNEAAF SVAVCRFSNT GEDWYVLVGV AKDLILNPRS VAGGFVYTYK LVNNGEKLEF LHKTPVEEVP AAIAPFQGRV L IGVGKLLR VYDLGKKKLL RKCENKHIAN YISGIQTIGH RVIVSDVQES FIWVRYKRNE NQLIIFADDT YPRWVTTASL LD YDTVAGA DKFGNICVVR LPPNTNDEVD EDPTGNKALW DRGLLNGASQ KAEVIMNYHV GETVLSLQKT TLIPGGSESL VYT TLSGGI GILVPFTSHE DHDFFQHVEM HLRSEHPPLC GRDHLSFRSY YFPVKNVIDG DLCEQFNSME PNKQKNVSEE LDRT PPEVS KKLEDIRTRY AF

UniProtKB: Splicing factor 3B subunit 3

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Macromolecule #17: PHD finger-like domain-containing protein 5A

MacromoleculeName: PHD finger-like domain-containing protein 5A / type: protein_or_peptide / ID: 17 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 12.427524 KDa
SequenceString:
MAKHHPDLIF CRKQAGVAIG RLCEKCDGKC VICDSYVRPC TLVRICDECN YGSYQGRCVI CGGPGVSDAY YCKECTIQEK DRDGCPKIV NLGSSKTDLF YERKKYGFKK R

UniProtKB: PHD finger-like domain-containing protein 5A

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Macromolecule #18: Splicing factor 3B subunit 1

MacromoleculeName: Splicing factor 3B subunit 1 / type: protein_or_peptide / ID: 18 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 146.024938 KDa
SequenceString: MAKIAKTHED IEAQIREIQG KKAALDEAQG VGLDSTGYYD QEIYGGSDSR FAGYVTSIAA TELEDDDDDY SSSTSLLGQK KPGYHAPVA LLNDIPQSTE QYDPFAEHRP PKIADREDEY KKHRRTMIIS PERLDPFADG GKTPDPKMNA RTYMDVMREQ H LTKEEREI ...String:
MAKIAKTHED IEAQIREIQG KKAALDEAQG VGLDSTGYYD QEIYGGSDSR FAGYVTSIAA TELEDDDDDY SSSTSLLGQK KPGYHAPVA LLNDIPQSTE QYDPFAEHRP PKIADREDEY KKHRRTMIIS PERLDPFADG GKTPDPKMNA RTYMDVMREQ H LTKEEREI RQQLAEKAKA GELKVVNGAA ASQPPSKRKR RWDQTADQTP GATPKKLSSW DQAETPGHTP SLRWDETPGR AK GSETPGA TPGSKIWDPT PSHTPAGAAT PGRGDTPGHA TPGHGGATSS ARKNRWDETP KTERDTPGHG SGWAETPRTD RGG DSIGET PTPGASKRKS RWDETPASQM GGSTPVLTPG KTPIGTPAMN MATPTPGHIM SMTPEQLQAW RWEREIDERN RPLS DEELD AMFPEGYKVL PPPAGYVPIR TPARKLTATP TPLGGMTGFH MQTEDRTMKS VNDQPSGNLP FLKPDDIQYF DKLLV DVDE STLSPEEQKE RKIMKLLLKI KNGTPPMRKA ALRQITDKAR EFGAGPLFNQ ILPLLMSPTL EDQERHLLVK VIDRIL YKL DDLVRPYVHK ILVVIEPLLI DEDYYARVEG REIISNLAKA AGLATMISTM RPDIDNMDEY VRNTTARAFA VVASALG IP SLLPFLKAVC KSKKSWQARH TGIKIVQQIA ILMGCAILPH LRSLVEIIEH GLVDEQQKVR TISALAIAAL AEAATPYG I ESFDSVLKPL WKGIRQHRGK GLAAFLKAIG YLIPLMDAEY ANYYTREVML ILIREFQSPD EEMKKIVLKV VKQCCGTDG VEANYIKTEI LPPFFKHFWQ HRMALDRRNY RQLVDTTVEL ANKVGAAEII SRIVDDLKDE AEQYRKMVME TIEKIMGNLG AADIDHKLE EQLIDGILYA FQEQTTEDSV MLNGFGTVVN ALGKRVKPYL PQICGTVLWR LNNKSAKVRQ QAADLISRTA V VMKTCQEE KLMGHLGVVL YEYLGEEYPE VLGSILGALK AIVNVIGMHK MTPPIKDLLP RLTPILKNRH EKVQENCIDL VG RIADRGA EYVSAREWMR ICFELLELLK AHKKAIRRAT VNTFGYIAKA IGPHDVLATL LNNLKVQERQ NRVCTTVAIA IVA ETCSPF TVLPALMNEY RVPELNVQNG VLKSLSFLFE YIGEMGKDYI YAVTPLLEDA LMDRDLVHRQ TASAVVQHMS LGVY GFGCE DSLNHLLNYV WPNVFETSPH VIQAVMGALE GLRVAIGPCR MLQYCLQGLF HPARKVRDVY WKIYNSIYIG SQDAL IAHY PRIYNDDKNT YIRYELDYIL

UniProtKB: Splicing factor 3B subunit 1

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Macromolecule #19: Splicing factor 3B subunit 6

MacromoleculeName: Splicing factor 3B subunit 6 / type: protein_or_peptide / ID: 19 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 14.6069 KDa
SequenceString:
MAMQAAKRAN IRLPPEVNRI LYIRNLPYKI TAEEMYDIFG KYGPIRQIRV GNTPETRGTA YVVYEDIFDA KNACDHLSGF NVCNRYLVV LYYNANRAFQ KMDTKKKEEQ LKLLKEKYGI NTDPPK

UniProtKB: Splicing factor 3B subunit 6

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Macromolecule #20: Small nuclear ribonucleoprotein Sm D2

MacromoleculeName: Small nuclear ribonucleoprotein Sm D2 / type: protein_or_peptide / ID: 20 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 13.551928 KDa
SequenceString:
MSLLNKPKSE MTPEELQKRE EEEFNTGPLS VLTQSVKNNT QVLINCRNNK KLLGRVKAFD RHCNMVLENV KEMWTEVPKS GKGKKKSKP VNKDRYISKM FLRGDSVIVV LRNPLIAGK

UniProtKB: Small nuclear ribonucleoprotein Sm D2

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Macromolecule #21: U2 small nuclear ribonucleoprotein B''

MacromoleculeName: U2 small nuclear ribonucleoprotein B'' / type: protein_or_peptide / ID: 21 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 25.524367 KDa
SequenceString: MDIRPNHTIY INNMNDKIKK EELKRSLYAL FSQFGHVVDI VALKTMKMRG QAFVIFKELG SSTNALRQLQ GFPFYGKPMR IQYAKTDSD IISKMRGTFA DKEKKKEKKK AKTVEQTATT TNKKPGQGTP NSANTQGNST PNPQVPDYPP NYILFLNNLP E ETNEMMLS ...String:
MDIRPNHTIY INNMNDKIKK EELKRSLYAL FSQFGHVVDI VALKTMKMRG QAFVIFKELG SSTNALRQLQ GFPFYGKPMR IQYAKTDSD IISKMRGTFA DKEKKKEKKK AKTVEQTATT TNKKPGQGTP NSANTQGNST PNPQVPDYPP NYILFLNNLP E ETNEMMLS MLFNQFPGFK EVRLVPGRHD IAFVEFENDG QAGAARDALQ GFKITPSHAM KITYAKK

UniProtKB: U2 small nuclear ribonucleoprotein B''

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Macromolecule #22: Small nuclear ribonucleoprotein F

MacromoleculeName: Small nuclear ribonucleoprotein F / type: protein_or_peptide / ID: 22 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 9.734171 KDa
SequenceString:
MSLPLNPKPF LNGLTGKPVM VKLKWGMEYK GYLVSVDGYM NMQLANTEEY IDGALSGHLG EVLIRCNNVL YIRGVEEEEE DGEMRE

UniProtKB: Small nuclear ribonucleoprotein F

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Macromolecule #23: Small nuclear ribonucleoprotein-associated proteins B and B'

MacromoleculeName: Small nuclear ribonucleoprotein-associated proteins B and B'
type: protein_or_peptide / ID: 23 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 24.642131 KDa
SequenceString: MTVGKSSKML QHIDYRMRCI LQDGRIFIGT FKAFDKHMNL ILCDCDEFRK IKPKNSKQAE REEKRVLGLV LLRGENLVSM TVEGPPPKD TGIARVPLAG AAGGPGIGRA AGRGIPAGVP MPQAPAGLAG PVRGVGGPSQ QVMTPQGRGT VAAAAAAATA S IAGAPTQY ...String:
MTVGKSSKML QHIDYRMRCI LQDGRIFIGT FKAFDKHMNL ILCDCDEFRK IKPKNSKQAE REEKRVLGLV LLRGENLVSM TVEGPPPKD TGIARVPLAG AAGGPGIGRA AGRGIPAGVP MPQAPAGLAG PVRGVGGPSQ QVMTPQGRGT VAAAAAAATA S IAGAPTQY PPGRGGPPPP MGRGAPPPGM MGPPPGMRPP MGPPMGIPPG RGTPMGMPPP GMRPPPPGMR GPPPPGMRPP RP

UniProtKB: Small nuclear ribonucleoprotein-associated proteins B and B'

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Macromolecule #24: Small nuclear ribonucleoprotein Sm D3

MacromoleculeName: Small nuclear ribonucleoprotein Sm D3 / type: protein_or_peptide / ID: 24 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 13.940308 KDa
SequenceString:
MSIGVPIKVL HEAEGHIVTC ETNTGEVYRG KLIEAEDNMN CQMSNITVTY RDGRVAQLEQ VYIRGSKIRF LILPDMLKNA PMLKSMKNK NQGSGAGRGK AAILKAQVAA RGRGRGMGRG NIFQKRR

UniProtKB: Small nuclear ribonucleoprotein Sm D3

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Macromolecule #25: Small nuclear ribonucleoprotein G

MacromoleculeName: Small nuclear ribonucleoprotein G / type: protein_or_peptide / ID: 25 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 8.508084 KDa
SequenceString:
MSKAHPPELK KFMDKKLSLK LNGGRHVQGI LRGFDPFMNL VIDECVEMAT SGQQNNIGMV VIRGNSIIML EALERV

UniProtKB: Small nuclear ribonucleoprotein G

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Macromolecule #26: Small nuclear ribonucleoprotein E

MacromoleculeName: Small nuclear ribonucleoprotein E / type: protein_or_peptide / ID: 26 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 10.817601 KDa
SequenceString:
MAYRGQGQKV QKVMVQPINL IFRYLQNRSR IQVWLYEQVN MRIEGCIIGF DEYMNLVLDD AEEIHSKTKS RKQLGRIMLK GDNITLLQS VSN

UniProtKB: Small nuclear ribonucleoprotein E

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Macromolecule #27: Small nuclear ribonucleoprotein Sm D1

MacromoleculeName: Small nuclear ribonucleoprotein Sm D1 / type: protein_or_peptide / ID: 27 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 13.310653 KDa
SequenceString:
MKLVRFLMKL SHETVTIELK NGTQVHGTIT GVDVSMNTHL KAVKMTLKNR EPVQLETLSI RGNNIRYFIL PDSLPLDTLL VDVEPKVKS KKREAVAGRG RGRGRGRGRG RGRGRGGPRR

UniProtKB: Small nuclear ribonucleoprotein Sm D1

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Macromolecule #28: U2 small nuclear ribonucleoprotein A'

MacromoleculeName: U2 small nuclear ribonucleoprotein A' / type: protein_or_peptide / ID: 28 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 28.456584 KDa
SequenceString: MVKLTAELIE QAAQYTNAVR DRELDLRGYK IPVIENLGAT LDQFDAIDFS DNEIRKLDGF PLLRRLKTLL VNNNRICRIG EGLDQALPC LTELILTNNS LVELGDLDPL ASLKSLTYLS ILRNPVTNKK HYRLYVIYKV PQVRVLDFQK VKLKERQEAE K MFKGKRGA ...String:
MVKLTAELIE QAAQYTNAVR DRELDLRGYK IPVIENLGAT LDQFDAIDFS DNEIRKLDGF PLLRRLKTLL VNNNRICRIG EGLDQALPC LTELILTNNS LVELGDLDPL ASLKSLTYLS ILRNPVTNKK HYRLYVIYKV PQVRVLDFQK VKLKERQEAE K MFKGKRGA QLAKDIARRS KTFNPGAGLP TDKKKGGPSP GDVEAIKNAI ANASTLAEVE RLKGLLQSGQ IPGRERRSGP TD DGEEEME EDTVTNGS

UniProtKB: U2 small nuclear ribonucleoprotein A'

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Macromolecule #29: U5 small nuclear ribonucleoprotein 200 kDa helicase

MacromoleculeName: U5 small nuclear ribonucleoprotein 200 kDa helicase / type: protein_or_peptide / ID: 29 / Number of copies: 1 / Enantiomer: LEVO / EC number: RNA helicase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 244.823422 KDa
SequenceString: MADVTARSLQ YEYKANSNLV LQADRSLIDR TRRDEPTGEV LSLVGKLEGT RMGDKAQRTK PQMQEERRAK RRKRDEDRHD INKMKGYTL LSEGIDEMVG IIYKPKTKET RETYEVLLSF IQAALGDQPR DILCGAADEV LAVLKNEKLR DKERRKEIDL L LGQTDDTR ...String:
MADVTARSLQ YEYKANSNLV LQADRSLIDR TRRDEPTGEV LSLVGKLEGT RMGDKAQRTK PQMQEERRAK RRKRDEDRHD INKMKGYTL LSEGIDEMVG IIYKPKTKET RETYEVLLSF IQAALGDQPR DILCGAADEV LAVLKNEKLR DKERRKEIDL L LGQTDDTR YHVLVNLGKK ITDYGGDKEI QNMDDNIDET YGVNVQFESD EEEGDEDVYG EVREEASDDD MEGDEAVVRC TL SANLVAS GELMSSKKKD LHPRDIDAFW LQRQLSRFYD DAIVSQKKAD EVLEILKTAS DDRECENQLV LLLGFNTFDF IKV LRQHRM MILYCTLLAS AQSEAEKERI MGKMEADPEL SKFLYQLHET EKEDLIREER SRRERVRQSR MDTDLETMDL DQGG EALAP RQVLDLEDLV FTQGSHFMAN KRCQLPDGSF RRQRKGYEEV HVPALKPKPF GSEEQLLPVE KLPKYAQAGF EGFKT LNRI QSKLYRAALE TDENLLLCAP TGAGKTNVAL MCMLREIGKH INMDGTINVD DFKIIYIAPM RSLVQEMVGS FGKRLA TYG ITVAELTGDH QLCKEEISAT QIIVCTPEKW DIITRKGGER TYTQLVRLII LDEIHLLHDD RGPVLEALVA RAIRNIE MT QEDVRLIGLS ATLPNYEDVA TFLRVDPAKG LFYFDNSFRP VPLEQTYVGI TEKKAIKRFQ IMNEIVYEKI MEHAGKNQ V LVFVHSRKET GKTARAIRDM CLEKDTLGLF LREGSASTEV LRTEAEQCKN LELKDLLPYG FAIHHAGMTR VDRTLVEDL FADKHIQVLV STATLAWGVN LPAHTVIIKG TQVYSPEKGR WTELGALDIL QMLGRAGRPQ YDTKGEGILI TSHGELQYYL SLLNQQLPI ESQMVSKLPD MLNAEIVLGN VQNAKDAVNW LGYAYLYIRM LRSPTLYGIS HDDLKGDPLL DQRRLDLVHT A ALMLDKNN LVKYDKKTGN FQVTELGRIA SHYYITNDTV QTYNQLLKPT LSEIELFRVF SLSSEFKNIT VREEEKLELQ KL LERVPIP VKESIEEPSA KINVLLQAFI SQLKLEGFAL MADMVYVTQS AGRLMRAIFE IVLNRGWAQL TDKTLNLCKM IDK RMWQSM CPLRQFRKLP EEVVKKIEKK NFPFERLYDL NHNEIGELIR MPKMGKTIHK YVHLFPKLEL SVHLQPITRS TLKV ELTIT PDFQWDEKVH GSSEAFWILV EDVDSEVILH HEYFLLKAKY AQDEHLITFF VPVFEPLPPQ YFIRVVSDRW LSCET QLPV SFRHLILPEK YPPPTELLDL QPLPVSALRN SAFESLYQDK FPFFNPIQTQ VFNTVYNSDD NVFVGAPTGS GKTICA EFA ILRMLLQSSE GRCVYITPME ALAEQVYMDW YEKFQDRLNK KVVLLTGETS TDLKLLGKGN IIISTPEKWD ILSRRWK QR KNVQNINLFV VDEVHLIGGE NGPVLEVICS RMRYISSQIE RPIRIVALSS SLSNAKDVAH WLGCSATSTF NFHPNVRP V PLELHIQGFN ISHTQTRLLS MAKPVYHAIT KHSPKKPVIV FVPSRKQTRL TAIDILTTCA ADIQRQRFLH CTEKDLIPY LEKLSDSTLK ETLLNGVGYL HEGLSPMERR LVEQLFSSGA IQVVVASRSL CWGMNVAAHL VIIMDTQYYN GKIHAYVDYP IYDVLQMVG HANRPLQDDE GRCVIMCQGS KKDFFKKFLY EPLPVESHLD HCMHDHFNAE IVTKTIENKQ DAVDYLTWTF L YRRMTQNP NYYNLQGISH RHLSDHLSEL VEQTLSDLEQ SKCISIEDEM DVAPLNLGMI AAYYYINYTT IELFSMSLNA KT KVRGLIE IISNAAEYEN IPIRHHEDNL LRQLAQKVPH KLNNPKFNDP HVKTNLLLQA HLSRMQLSAE LQSDTEEILS KAI RLIQAC VDVLSSNGWL SPALAAMELA QMVTQAMWSK DSYLKQLPHF TSEHIKRCTD KGVESVFDIM EMEDEERNAL LQLT DSQIA DVARFCNRYP NIELSYEVVD KDSIRSGGPV VVLVQLEREE EVTGPVIAPL FPQKREEGWW VVIGDAKSNS LISIK RLTL QQKAKVKLDF VAPATGAHNY TLYFMSDAYM GCDQEYKFSV DVKEAETDSD SD

UniProtKB: U5 small nuclear ribonucleoprotein 200 kDa helicase

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Macromolecule #30: Peptidyl-prolyl cis-trans isomerase H

MacromoleculeName: Peptidyl-prolyl cis-trans isomerase H / type: protein_or_peptide / ID: 30 / Number of copies: 1 / Enantiomer: LEVO / EC number: peptidylprolyl isomerase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 19.230117 KDa
SequenceString:
MAVANSSPVN PVVFFDVSIG GQEVGRMKIE LFADVVPKTA ENFRQFCTGE FRKDGVPIGY KGSTFHRVIK DFMIQGGDFV NGDGTGVAS IYRGPFADEN FKLRHSAPGL LSMANSGPST NGCQFFITCS KCDWLDGKHV VFGKIIDGLL VMRKIENVPT G PNNKPKLP VVISQCGEM

UniProtKB: Peptidyl-prolyl cis-trans isomerase H

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Macromolecule #31: Probable ATP-dependent RNA helicase DDX23

MacromoleculeName: Probable ATP-dependent RNA helicase DDX23 / type: protein_or_peptide / ID: 31 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 95.785148 KDa
SequenceString: MAGELADKKD RDASPSKEER KRSRTPDRER DRDRDRKSSP SKDRKRHRSR DRRRGGSRSR SRSRSKSAER ERRHKERERD KERDRNKKD RDRDKDGHRR DKDRKRSSLS PGRGKDFKSR KDRDSKKDEE DEHGDKKPKA QPLSLEELLA KKKAEEEAEA K PKFLSKAE ...String:
MAGELADKKD RDASPSKEER KRSRTPDRER DRDRDRKSSP SKDRKRHRSR DRRRGGSRSR SRSRSKSAER ERRHKERERD KERDRNKKD RDRDKDGHRR DKDRKRSSLS PGRGKDFKSR KDRDSKKDEE DEHGDKKPKA QPLSLEELLA KKKAEEEAEA K PKFLSKAE REAEALKRRQ QEVEERQRML EEERKKRKQF QDLGRKMLED PQERERRERR ERMERETNGN EDEEGRQKIR EE KDKSKEL HAIKERYLGG IKKRRRTRHL NDRKFVFEWD ASEDTSIDYN PLYKERHQVQ LLGRGFIAGI DLKQQKREQS RFY GDLMEK RRTLEEKEQE EARLRKLRKK EAKQRWDDRH WSQKKLDEMT DRDWRIFRED YSITTKGGKI PNPIRSWKDS SLPP HILEV IDKCGYKEPT PIQRQAIPIG LQNRDIIGVA ETGSGKTAAF LIPLLVWITT LPKIDRIEES DQGPYAIILA PTREL AQQI EEETIKFGKP LGIRTVAVIG GISREDQGFR LRMGCEIVIA TPGRLIDVLE NRYLVLSRCT YVVLDEADRM IDMGFE PDV QKILEHMPVS NQKPDTDEAE DPEKMLANFE SGKHKYRQTV MFTATMPPAV ERLARSYLRR PAVVYIGSAG KPHERVE QK VFLMSESEKR KKLLAILEQG FDPPIIIFVN QKKGCDVLAK SLEKMGYNAC TLHGGKGQEQ REFALSNLKA GAKDILVA T DVAGRGIDIQ DVSMVVNYDM AKNIEDYIHR IGRTGRAGKS GVAITFLTKE DSAVFYELKQ AILESPVSSC PPELANHPD AQHKPGTILT KKRREETIFA

UniProtKB: Probable ATP-dependent RNA helicase DDX23

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Macromolecule #32: U4/U6 small nuclear ribonucleoprotein Prp3

MacromoleculeName: U4/U6 small nuclear ribonucleoprotein Prp3 / type: protein_or_peptide / ID: 32 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 77.669188 KDa
SequenceString: MALSKRELDE LKPWIEKTVK RVLGFSEPTV VTAALNCVGK GMDKKKAADH LKPFLDDSTL RFVDKLFEAV EEGRSSRHSK SSSDRSRKR ELKEVFGDDS EISKESSGVK KRRIPRFEEV EEEPEVIPGP PSESPGMLTK LQIKQMMEAA TRQIEERKKQ L SFISPPTP ...String:
MALSKRELDE LKPWIEKTVK RVLGFSEPTV VTAALNCVGK GMDKKKAADH LKPFLDDSTL RFVDKLFEAV EEGRSSRHSK SSSDRSRKR ELKEVFGDDS EISKESSGVK KRRIPRFEEV EEEPEVIPGP PSESPGMLTK LQIKQMMEAA TRQIEERKKQ L SFISPPTP QPKTPSSSQP ERLPIGNTIQ PSQAATFMND AIEKARKAAE LQARIQAQLA LKPGLIGNAN MVGLANLHAM GI APPKVEL KDQTKPTPLI LDEQGRTVDA TGKEIELTHR MPTLKANIRA VKREQFKQQL KEKPSEDMES NTFFDPRVSI APS QRQRRT FKFHDKGKFE KIAQRLRTKA QLEKLQAEIS QAARKTGIHT STRLALIAPK KELKEGDIPE IEWWDSYIIP NGFD LTEEN PKREDYFGIT NLVEHPAQLN PPVDNDTPVT LGVYLTKKEQ KKLRRQTRRE AQKELQEKVR LGLMPPPEPK VRISN LMRV LGTEAVQDPT KVEAHVRAQM AKRQKAHEEA NAARKLTAEQ RKVKKIKKLK EDISQGVHIS VYRVRNLSNP AKKFKI EAN AGQLYLTGVV VLHKDVNVVV VEGGPKAQKK FKRLMLHRIK WDEQTSNTKG DDDEESDEEA VKKTNKCVLV WEGTAKD RS FGEMKFKQCP TENMAREHFK KHGAEHYWDL ALSESVLEST D

UniProtKB: U4/U6 small nuclear ribonucleoprotein Prp3

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Macromolecule #33: U4/U6 small nuclear ribonucleoprotein Prp31

MacromoleculeName: U4/U6 small nuclear ribonucleoprotein Prp31 / type: protein_or_peptide / ID: 33 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 55.528969 KDa
SequenceString: MSLADELLAD LEEAAEEEEG GSYGEEEEEP AIEDVQEETQ LDLSGDSVKT IAKLWDSKMF AEIMMKIEEY ISKQAKASEV MGPVEAAPE YRVIVDANNL TVEIENELNI IHKFIRDKYS KRFPELESLV PNALDYIRTV KELGNSLDKC KNNENLQQIL T NATIMVVS ...String:
MSLADELLAD LEEAAEEEEG GSYGEEEEEP AIEDVQEETQ LDLSGDSVKT IAKLWDSKMF AEIMMKIEEY ISKQAKASEV MGPVEAAPE YRVIVDANNL TVEIENELNI IHKFIRDKYS KRFPELESLV PNALDYIRTV KELGNSLDKC KNNENLQQIL T NATIMVVS VTASTTQGQQ LSEEELERLE EACDMALELN ASKHRIYEYV ESRMSFIAPN LSIIIGASTA AKIMGVAGGL TN LSKMPAC NIMLLGAQRK TLSGFSSTSV LPHTGYIYHS DIVQSLPPDL RRKAARLVAA KCTLAARVDS FHESTEGKVG YEL KDEIER KFDKWQEPPP VKQVKPLPAP LDGQRKKRGG RRYRKMKERL GLTEIRKQAN RMSFGEIEED AYQEDLGFSL GHLG KSGSG RVRQTQVNEA TKARISKTLQ RTLQKQSVVY GGKSTIRDRS SGTASSVAFT PLQGLEIVNP QAAEKKVAEA NQKYF SSMA EFLKVKGEKS GLMST

UniProtKB: U4/U6 small nuclear ribonucleoprotein Prp31

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Macromolecule #34: U4/U6 small nuclear ribonucleoprotein Prp4

MacromoleculeName: U4/U6 small nuclear ribonucleoprotein Prp4 / type: protein_or_peptide / ID: 34 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 58.536105 KDa
SequenceString: MASSRASSTQ ATKTKAPDDL VAPVVKKPHI YYGSLEEKER ERLAKGESGI LGKDGLKAGI EAGNINITSG EVFEIEEHIS ERQAEVLAE FERRKRARQI NVSTDDSEVK ACLRALGEPI TLFGEGPAER RERLRNILSV VGTDALKKTK KDDEKSKKSK E EYQQTWYH ...String:
MASSRASSTQ ATKTKAPDDL VAPVVKKPHI YYGSLEEKER ERLAKGESGI LGKDGLKAGI EAGNINITSG EVFEIEEHIS ERQAEVLAE FERRKRARQI NVSTDDSEVK ACLRALGEPI TLFGEGPAER RERLRNILSV VGTDALKKTK KDDEKSKKSK E EYQQTWYH EGPNSLKVAR LWIANYSLPR AMKRLEEARL HKEIPETTRT SQMQELHKSL RSLNNFCSQI GDDRPISYCH FS PNSKMLA TACWSGLCKL WSVPDCNLLH TLRGHNTNVG AIVFHPKSTV SLDPKDVNLA SCAADGSVKL WSLDSDEPVA DIE GHTVRV ARVMWHPSGR FLGTTCYDRS WRLWDLEAQE EILHQEGHSM GVYDIAFHQD GSLAGTGGLD AFGRVWDLRT GRCI MFLEG HLKEIYGINF SPNGYHIATG SGDNTCKVWD LRQRRCVYTI PAHQNLVTGV KFEPIHGNFL LTGAYDNTAK IWTHP GWSP LKTLAGHEGK VMGLDISSDG QLIATCSYDR TFKLWMAE

UniProtKB: U4/U6 small nuclear ribonucleoprotein Prp4

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Macromolecule #35: Pre-mRNA-processing factor 6

MacromoleculeName: Pre-mRNA-processing factor 6 / type: protein_or_peptide / ID: 35 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 107.092242 KDa
SequenceString: MNKKKKPFLG MPAPLGYVPG LGRGATGFTT RSDIGPARDA NDPVDDRHAP PGKRTVGDQM KKNQAADDDD EDLNDTNYDE FNGYAGSLF SSGPYEKDDE EADAIYAALD KRMDERRKER REQREKEEIE KYRMERPKIQ QQFSDLKRKL AEVTEEEWLS I PEVGDARN ...String:
MNKKKKPFLG MPAPLGYVPG LGRGATGFTT RSDIGPARDA NDPVDDRHAP PGKRTVGDQM KKNQAADDDD EDLNDTNYDE FNGYAGSLF SSGPYEKDDE EADAIYAALD KRMDERRKER REQREKEEIE KYRMERPKIQ QQFSDLKRKL AEVTEEEWLS I PEVGDARN KRQRNPRYEK LTPVPDSFFA KHLQTGENHT SVDPRQTQFG GLNTPYPGGL NTPYPGGMTP GLMTPGTGEL DM RKIGQAR NTLMDMRLSQ VSDSVSGQTV VDPKGYLTDL NSMIPTHGGD INDIKKARLL LKSVRETNPH HPPAWIASAR LEE VTGKLQ VARNLIMKGT EMCPKSEDVW LEAARLQPGD TAKAVVAQAV RHLPQSVRIY IRAAELETDI RAKKRVLRKA LEHV PNSVR LWKAAVELEE PEDARIMLSR AVECCPTSVE LWLALARLET YENARKVLNK ARENIPTDRH IWITAAKLEE ANGNT QMVE KIIDRAITSL RANGVEINRE QWIQDAEECD RAGSVATCQA VMRAVIGIGI EEEDRKHTWM EDADSCVAHN ALECAR AIY AYALQVFPSK KSVWLRAAYF EKNHGTRESL EALLQRAVAH CPKAEVLWLM GAKSKWLAGD VPAARSILAL AFQANPN SE EIWLAAVKLE SENDEYERAR RLLAKARSSA PTARVFMKSV KLEWVQDNIR AAQDLCEEAL RHYEDFPKLW MMKGQIEE Q KEMMEKAREA YNQGLKKCPH STPLWLLLSR LEEKIGQLTR ARAILEKSRL KNPKNPGLWL ESVRLEYRAG LKNIANTLM AKALQECPNS GILWSEAIFL EARPQRRTKS VDALKKCEHD PHVLLAVAKL FWSQRKITKA REWFHRTVKI DSDLGDAWAF FYKFELQHG TEEQQEEVRK RCESAEPRHG ELWCAVSKDI ANWQKKIGDI LRLVAGRIKN TF

UniProtKB: Pre-mRNA-processing factor 6

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Macromolecule #36: Pre-mRNA-processing-splicing factor 8

MacromoleculeName: Pre-mRNA-processing-splicing factor 8 / type: protein_or_peptide / ID: 36 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 273.97425 KDa
SequenceString: MAGVFPYRGP GNPVPGPLAP LPDYMSEEKL QEKARKWQQL QAKRYAEKRK FGFVDAQKED MPPEHVRKII RDHGDMTNRK FRHDKRVYL GALKYMPHAV LKLLENMPMP WEQIRDVPVL YHITGAISFV NEIPWVIEPV YISQWGSMWI MMRREKRDRR H FKRMRFPP ...String:
MAGVFPYRGP GNPVPGPLAP LPDYMSEEKL QEKARKWQQL QAKRYAEKRK FGFVDAQKED MPPEHVRKII RDHGDMTNRK FRHDKRVYL GALKYMPHAV LKLLENMPMP WEQIRDVPVL YHITGAISFV NEIPWVIEPV YISQWGSMWI MMRREKRDRR H FKRMRFPP FDDEEPPLDY ADNILDVEPL EAIQLELDPE EDAPVLDWFY DHQPLRDSRK YVNGSTYQRW QFTLPMMSTL YR LANQLLT DLVDDNYFYL FDLKAFFTSK ALNMAIPGGP KFEPLVRDIN LQDEDWNEFN DINKIIIRQP IRTEYKIAFP YLY NNLPHH VHLTWYHTPN VVFIKTEDPD LPAFYFDPLI NPISHRHSVK SQEPLPDDDE EFELPEFVEP FLKDTPLYTD NTAN GIALL WAPRPFNLRS GRTRRALDIP LVKNWYREHC PAGQPVKVRV SYQKLLKYYV LNALKHRPPK AQKKRYLFRS FKATK FFQS TKLDWVEVGL QVCRQGYNML NLLIHRKNLN YLHLDYNFNL KPVKTLTTKE RKKSRFGNAF HLCREVLRLT KLVVDS HVQ YRLGNVDAFQ LADGLQYIFA HVGQLTGMYR YKYKLMRQIR MCKDLKHLIY YRFNTGPVGK GPGCGFWAAG WRVWLFF MR GITPLLERWL GNLLARQFEG RHSKGVAKTV TKQRVESHFD LELRAAVMHD ILDMMPEGIK QNKARTILQH LSEAWRCW K ANIPWKVPGL PTPIENMILR YVKAKADWWT NTAHYNRERI RRGATVDKTV CKKNLGRLTR LYLKAEQERQ HNYLKDGPY ITAEEAVAVY TTTVHWLESR RFSPIPFPPL SYKHDTKLLI LALERLKEAY SVKSRLNQSQ REELGLIEQA YDNPHEALSR IKRHLLTQR AFKEVGIEFM DLYSHLVPVY DVEPLEKITD AYLDQYLWYE ADKRRLFPPW IKPADTEPPP LLVYKWCQGI N NLQDVWET SEGECNVMLE SRFEKMYEKI DLTLLNRLLR LIVDHNIADY MTAKNNVVIN YKDMNHTNSY GIIRGLQFAS FI VQYYGLV MDLLVLGLHR ASEMAGPPQM PNDFLSFQDI ATEAAHPIRL FCRYIDRIHI FFRFTADEAR DLIQRYLTEH PDP NNENIV GYNNKKCWPR DARMRLMKHD VNLGRAVFWD IKNRLPRSVT TVQWENSFVS VYSKDNPNLL FNMCGFECRI LPKC RTSYE EFTHKDGVWN LQNEVTKERT AQCFLRVDDE SMQRFHNRVR QILMASGSTT FTKIVNKWNT ALIGLMTYFR EAVVN TQEL LDLLVKCENK IQTRIKIGLN SKMPSRFPPV VFYTPKELGG LGMLSMGHVL IPQSDLRWSK QTDVGITHFR SGMSHE EDQ LIPNLYRYIQ PWESEFIDSQ RVWAEYALKR QEAIAQNRRL TLEDLEDSWD RGIPRINTLF QKDRHTLAYD KGWRVRT DF KQYQVLKQNP FWWTHQRHDG KLWNLNNYRT DMIQALGGVE GILEHTLFKG TYFPTWEGLF WEKASGFEES MKWKKLTN A QRSGLNQIPN RRFTLWWSPT INRANVYVGF QVQLDLTGIF MHGKIPTLKI SLIQIFRAHL WQKIHESIVM DLCQVFDQE LDALEIETVQ KETIHPRKSY KMNSSCADIL LFASYKWNVS RPSLLADSKD VMDSTTTQKY WIDIQLRWGD YDSHDIERYA RAKFLDYTT DNMSIYPSPT GVLIAIDLAY NLHSAYGNWF PGSKPLIQQA MAKIMKANPA LYVLRERIRK GLQLYSSEPT E PYLSSQNY GELFSNQIIW FVDDTNVYRV TIHKTFEGNL TTKPINGAIF IFNPRTGQLF LKIIHTSVWA GQKRLGQLAK WK TAEEVAA LIRSLPVEEQ PKQIIVTRKG MLDPLEVHLL DFPNIVIKGS ELQLPFQACL KVEKFGDLIL KATEPQMVLF NLY DDWLKT ISSYTAFSRL ILILRALHVN NDRAKVILKP DKTTITEPHH IWPTLTDEEW IKVEVQLKDL ILADYGKKNN VNVA SLTQS EIRDIILGME ISAPSQQRQQ IAEIEKQTKE QSQLTATQTR TVNKHGDEII TSTTSNYETQ TFSSKTEWRV RAISA ANLH LRTNHIYVSS DDIKETGYTY ILPKNVLKKF ICISDLRAQI AGYLYGVSPP DNPQVKEIRC IVMVPQWGTH QTVHLP GQL PQHEYLKEME PLGWIHTQPN ESPQLSPQDV TTHAKIMADN PSWDGEKTII ITCSFTPGSC TLTAYKLTPS GYEWGRQ NT DKGNNPKGYL PSHYERVQML LSDRFLGFFM VPAQSSWNYN FMGVRHDPNM KYELQLANPK EFYHEVHRPS HFLNFALL Q EGEVYSADRE DLYA

UniProtKB: Pre-mRNA-processing-splicing factor 8

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Macromolecule #37: Ubiquitin carboxyl-terminal hydrolase 39

MacromoleculeName: Ubiquitin carboxyl-terminal hydrolase 39 / type: protein_or_peptide / ID: 37 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 65.481426 KDa
SequenceString: MSGRSKRESR GSTRGKRESE SRGSSGRVKR ERDREREPEA ASSRGSPVRV KREFEPASAR EAPASVVPFV RVKREREVDE DSEPEREVR AKNGRVDSED RRSRHCPYLD TINRSVLDFD FEKLCSISLS HINAYACLVC GKYFQGRGLK SHAYIHSVQF S HHVFLNLH ...String:
MSGRSKRESR GSTRGKRESE SRGSSGRVKR ERDREREPEA ASSRGSPVRV KREFEPASAR EAPASVVPFV RVKREREVDE DSEPEREVR AKNGRVDSED RRSRHCPYLD TINRSVLDFD FEKLCSISLS HINAYACLVC GKYFQGRGLK SHAYIHSVQF S HHVFLNLH TLKFYCLPDN YEIIDSSLED ITYVLKPTFT KQQIANLDKQ AKLSRAYDGT TYLPGIVGLN NIKANDYANA VL QALSNVP PLRNYFLEED NYKNIKRPPG DIMFLLVQRF GELMRKLWNP RNFKAHVSPH EMLQAVVLCS KKTFQITKQG DGV DFLSWF LNALHSALGG TKKKKKTIVT DVFQGSMRIF TKKLPHPDLP AEEKEQLLHN DEYQETMVES TFMYLTLDLP TAPL YKDEK EQLIIPQVPL FNILAKFNGI TEKEYKTYKE NFLKRFQLTK LPPYLIFCIK RFTKNNFFVE KNPTIVNFPI TNVDL REYL SEEVQAVHKN TTYDLIANIV HDGKPSEGSY RIHVLHHGTG KWYELQDLQV TDILPQMITL SEAYIQIWKR RDNDET NQQ GA

UniProtKB: Ubiquitin carboxyl-terminal hydrolase 39

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Macromolecule #38: U4/U6.U5 tri-snRNP-associated protein 1

MacromoleculeName: U4/U6.U5 tri-snRNP-associated protein 1 / type: protein_or_peptide / ID: 38 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 90.414117 KDa
SequenceString: MGSSKKHRGE KEAAGTTAAA GTGGATEQPP RHREHKKHKH RSGGSGGSGG ERRKRSRERG GERGSGRRGA EAEARSSTHG RERSQAEPS ERRVKREKRD DGYEAAASSK TSSGDASSLS IEETNKLRAK LGLKPLEVNA IKKEAGTKEE PVTADVINPM A LRQREELR ...String:
MGSSKKHRGE KEAAGTTAAA GTGGATEQPP RHREHKKHKH RSGGSGGSGG ERRKRSRERG GERGSGRRGA EAEARSSTHG RERSQAEPS ERRVKREKRD DGYEAAASSK TSSGDASSLS IEETNKLRAK LGLKPLEVNA IKKEAGTKEE PVTADVINPM A LRQREELR EKLAAAKEKR LLNQKLGKIK TLGEDDPWLD DTAAWIERSR QLQKEKDLAE KRAKLLEEMD QEFGVSTLVE EE FGQRRQD LYSARDLQGL TVEHAIDSFR EGETMILTLK DKGVLQEEED VLVNVNLVDK ERAEKNVELR KKKPDYLPYA EDE SVDDLA QQKPRSILSK YDEELEGERP HSFRLEQGGT ADGLRERELE EIRAKLRLQA QSLSTVGPRL ASEYLTPEEM VTFK KTKRR VKKIRKKEKE VVVRADDLLP LGDQTQDGDF GSRLRGRGRR RVSEVEEEKE PVPQPLPSDD TRVENMDISD EEEGG APPP GSPQVLEEDE AELELQKQLE KGRRLRQLQQ LQQLRDSGEK VVEIVKKLES RQRGWEEDED PERKGAIVFN ATSEFC RTL GEIPTYGLAG NREEQEELMD FERDEERSAN GGSESDGEEN IGWSTVNLDE EKQQQDFSAS STTILDEEPI VNRGLAA AL LLCQNKGLLE TTVQKVARVK APNKSLPSAV YCIEDKMAID DKYSRREEYR GFTQDFKEKD GYKPDVKIEY VDETGRKL T PKEAFRQLSH RFHGKGSGKM KTERRMKKLD EEALLKKMSS SDTPLGTVAL LQEKQKAQKT PYIVLSGSGK SMNANTITK

UniProtKB: U4/U6.U5 tri-snRNP-associated protein 1

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Macromolecule #39: 116 kDa U5 small nuclear ribonucleoprotein component

MacromoleculeName: 116 kDa U5 small nuclear ribonucleoprotein component / type: protein_or_peptide / ID: 39 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 109.560625 KDa
SequenceString: MDTDLYDEFG NYIGPELDSD EDDDELGRET KDLDEMDDDD DDDDVGDHDD DHPGMEVVLH EDKKYYPTAE EVYGPEVETI VQEEDTQPL TEPIIKPVKT KKFTLMEQTL PVTVYEMDFL ADLMDNSELI RNVTLCGHLH HGKTCFVDCL IEQTHPEIRK R YDQDLCYT ...String:
MDTDLYDEFG NYIGPELDSD EDDDELGRET KDLDEMDDDD DDDDVGDHDD DHPGMEVVLH EDKKYYPTAE EVYGPEVETI VQEEDTQPL TEPIIKPVKT KKFTLMEQTL PVTVYEMDFL ADLMDNSELI RNVTLCGHLH HGKTCFVDCL IEQTHPEIRK R YDQDLCYT DILFTEQERG VGIKSTPVTV VLPDTKGKSY LFNIMDTPGH VNFSDEVTAG LRISDGVVLF IDAAEGVMLN TE RLIKHAV QERLAVTVCI NKIDRLILEL KLPPTDAYYK LRHIVDEVNG LISMYSTDEN LILSPLLGNV CFSSSQYSIC FTL GSFAKI YADTFGDINY QEFAKRLWGD IYFNPKTRKF TKKAPTSSSQ RSFVEFILEP LYKILAQVVG DVDTSLPRTL DELG IHLTK EELKLNIRPL LRLVCKKFFG EFTGFVDMCV QHIPSPKVGA KPKIEHTYTG GVDSDLGEAM SDCDPDGPLM CHTTK MYST DDGVQFHAFG RVLSGTIHAG QPVKVLGENY TLEDEEDSQI CTVGRLWISV ARYHIEVNRV PAGNWVLIEG VDQPIV KTA TITEPRGNEE AQIFRPLKFN TTSVIKIAVE PVNPSELPKM LDGLRKVNKS YPSLTTKVEE SGEHVILGTG ELYLDCV MH DLRKMYSEID IKVADPVVTF CETVVETSSL KCFAETPNKK NKITMIAEPL EKGLAEDIEN EVVQITWNRK KLGEFFQT K YDWDLLAARS IWAFGPDATG PNILVDDTLP SEVDKALLGS VKDSIVQGFQ WGTREGPLCD ELIRNVKFKI LDAVVAQEP LHRGGGQIIP TARRVVYSAF LMATPRLMEP YYFVEVQAPA DCVSAVYTVL ARRRGHVTQD APIPGSPLYT IKAFIPAIDS FGFETDLRT HTQGQAFSLS VFHHWQIVPG DPLDKSIVIR PLEPQPAPHL AREFMIKTRR RKGLSEDVSI SKFFDDPMLL E LAKQDVVL NYPM

UniProtKB: 116 kDa U5 small nuclear ribonucleoprotein component

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Macromolecule #40: NHP2-like protein 1, N-terminally processed

MacromoleculeName: NHP2-like protein 1, N-terminally processed / type: protein_or_peptide / ID: 40 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 14.191524 KDa
SequenceString:
MTEADVNPKA YPLADAHLTK KLLDLVQQSC NYKQLRKGAN EATKTLNRGI SEFIVMAADA EPLEIILHLP LLCEDKNVPY VFVRSKQAL GRACGVSRPV IACSVTIKEG SQLKQQIQSI QQSIERLLV

UniProtKB: NHP2-like protein 1

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Macromolecule #41: Thioredoxin-like protein 4A

MacromoleculeName: Thioredoxin-like protein 4A / type: protein_or_peptide / ID: 41 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 16.807346 KDa
SequenceString:
MSYMLPHLHN GWQVDQAILS EEDRVVVIRF GHDWDPTCMK MDEVLYSIAE KVKNFAVIYL VDITEVPDFN KMYELYDPCT VMFFFRNKH IMIDLGTGNN NKINWAMEDK QEMVDIIETV YRGARKGRGL VVSPKDYSTK YRY

UniProtKB: Thioredoxin-like protein 4A

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Macromolecule #44: Splicing factor 3A subunit 1

MacromoleculeName: Splicing factor 3A subunit 1 / type: protein_or_peptide / ID: 44 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 88.991094 KDa
SequenceString: MPAGPVQAVP PPPPVPTEPK QPTEEEASSK EDSAPSKPVV GIIYPPPEVR NIVDKTASFV ARNGPEFEAR IRQNEINNPK FNFLNPNDP YHAYYRHKVS EFKEGKAQEP SAAIPKVMQQ QQQTTQQQLP QKVQAQVIQE TIVPKEPPPE FEFIADPPSI S AFDLDVVK ...String:
MPAGPVQAVP PPPPVPTEPK QPTEEEASSK EDSAPSKPVV GIIYPPPEVR NIVDKTASFV ARNGPEFEAR IRQNEINNPK FNFLNPNDP YHAYYRHKVS EFKEGKAQEP SAAIPKVMQQ QQQTTQQQLP QKVQAQVIQE TIVPKEPPPE FEFIADPPSI S AFDLDVVK LTAQFVARNG RQFLTQLMQK EQRNYQFDFL RPQHSLFNYF TKLVEQYTKI LIPPKGLFSK LKKEAENPRE VL DQVCYRV EWAKFQERER KKEEEEKEKE RVAYAQIDWH DFVVVETVDF QPNEQGNFPP PTTPEELGAR ILIQERYEKF GES EEVEME VESDEEDDKQ EKAEEPPSQL DQDTQVQDMD EGSDDEEEGQ KVPPPPETPM PPPLPPTPDQ VIVRKDYDPK ASKP LPPAP APDEYLVSPI TGEKIPASKM QEHMRIGLLD PRWLEQRDRS IREKQSDDEV YAPGLDIESS LKQLAERRTD IFGVE ETAI GKKIGEEEIQ KPEEKVTWDG HSGSMARTQQ AAQANITLQE QIEAIHKAKG LVPEDDTKEK IGPSKPNEIP QQPPPP SSA TNIPSSAPPI TSVPRPPTMP PPVRTTVVSA VPVMPRPPMA SVVRLPPGSV IAPMPPIIHA PRINVVPMPP SAPPIMA PR PPPMIVPTAF VPAPPVAPVP APAPMPPVHP PPPMEDEPTS KKLKTEDSLM PEEEFLRRNK GPVSIKVQVP NMQDKTEW K LNGQVLVFTL PLTDQVSVIK VKIHEATGMP AGKQKLQYEG IFIKDSNSLA YYNMANGAVI HLALKERGGR KK

UniProtKB: Splicing factor 3A subunit 1

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Macromolecule #10: pre-mRNA

MacromoleculeName: pre-mRNA / type: rna / ID: 10 / Number of copies: 1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 111.300453 KDa
SequenceString: GGUACCUAAU ACGACUCACU AUAGGGAGAC GGAAUUCGAG CUCGCCCACU CUUGGAUCGG AAACCCGUCG GCCUCCGAAC GGUAAGAGC CUAGCAUGUA GAACUGGUUA CCUGCAGCCC AAGCUUGCUG CACGUCUAGG GCGCAGUAGU CCAGGGUUUC C UUGAUGAU ...String:
GGUACCUAAU ACGACUCACU AUAGGGAGAC GGAAUUCGAG CUCGCCCACU CUUGGAUCGG AAACCCGUCG GCCUCCGAAC GGUAAGAGC CUAGCAUGUA GAACUGGUUA CCUGCAGCCC AAGCUUGCUG CACGUCUAGG GCGCAGUAGU CCAGGGUUUC C UUGAUGAU GUCAUACUUA UCCUGUCCCU UUUUUUUCCA CAGCUCGCGG UUGAGGACAA ACUCUUCGCG GUCUUUCCAG UG GGGAUCC AAUAUCCGUA CACCAUCAGG GUACGAGCUA GCCCAUGGCG UACACCAUCA GGGUACGACU AGUAGAUCUC GUA CACCAU CAGGGUACGG AAUUCUCUAG A

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Macromolecule #15: U2 snRNA

MacromoleculeName: U2 snRNA / type: rna / ID: 15 / Number of copies: 1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 60.186445 KDa
SequenceString:
AUCGCUUCUC GGCCUUUUGG CUAAGAUCAA GUGUAGUAUC UGUUCUUAUC AGUUUAAUAU CUGAUACGUC CUCUAUCCGA GGACAAUAU AUUAAAUGGA UUUUUGGAGC AGGGAGAUGG AAUAGGAGCU UGCUCCGUCC ACUCCACGCA UCGACCUGGU A UUGCAGUA CCUCCAGGAA CGGUGCACCC

GENBANK: GENBANK: X02665.1

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Macromolecule #42: U5 snRNA

MacromoleculeName: U5 snRNA / type: rna / ID: 42 / Number of copies: 1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 37.254855 KDa
SequenceString:
AUACUCUGGU UUCUCUUCAG AUCGCAUAAA UCUUUCGCCU UUUACUAAAG AUUUCCGUGG AGAGGAACAA CUCUGAGUCU UAACCCAAU UUUUUGAGGC CUUGCUUUGG CAAGGCUA

GENBANK: GENBANK: AC105129.4

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Macromolecule #43: 5'ss oligo

MacromoleculeName: 5'ss oligo / type: rna / ID: 43 / Number of copies: 1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 3.555186 KDa
SequenceString:
AAGGUAAGUA U

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Macromolecule #45: U4 snRNA

MacromoleculeName: U4 snRNA / type: rna / ID: 45 / Number of copies: 1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 46.181289 KDa
SequenceString:
AGCUUUGCGC AGUGGCAGUA UCGUAGCCAA UGAGGUCUAU CCGAGGCGCG AUUAUUGCUA AUUGAAAACU UUUCCCAAUA CCCCGCCGU GACGACUUGC AAUAUAGUCG GCACUGGCAA UUUUUGACAG UCUCUACGGA GACUG

GENBANK: GENBANK: M15956.1

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Macromolecule #46: U6 snRNA

MacromoleculeName: U6 snRNA / type: rna / ID: 46 / Number of copies: 1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 34.09827 KDa
SequenceString:
GUGCUCGCUU CGGCAGCACA UAUACUAAAA UUGGAACGAU ACAGAGAAGA UUAGCAUGGC CCCUGCGCAA GGAUGACACG CAAAUUCGU GAAGCGUUCC AUAUUUU

GENBANK: GENBANK: NR_004394.1

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.9
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: FEI FALCON III (4k x 4k) / Average electron dose: 45.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 5.0 µm / Nominal defocus min: 1.5 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER / Details: ab initio
Final reconstructionResolution.type: BY AUTHOR / Resolution: 4.3 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 411185
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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