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- EMDB-18225: cryo-EM structure of the human spliceosomal B complex protomer (t... -

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Basic information

Entry
Database: EMDB / ID: EMD-18225
Titlecryo-EM structure of the human spliceosomal B complex protomer (tri-snRNP core region)
Map data
Sample
  • Complex: human pre-catalytic spliceosome
    • RNA: x 4 types
    • Protein or peptide: x 17 types
Keywordsspliceosome / pre-catalytic spliceosome / spliceosomal B complex / SPLICING
Function / homology
Function and homology information


microfibril / spliceosomal snRNP complex / ribonucleoprotein complex localization / U4atac snRNP / positive regulation of cytotoxic T cell differentiation / maturation of 5S rRNA / RNA localization / U4atac snRNA binding / box C/D sno(s)RNA binding / dense fibrillar component ...microfibril / spliceosomal snRNP complex / ribonucleoprotein complex localization / U4atac snRNP / positive regulation of cytotoxic T cell differentiation / maturation of 5S rRNA / RNA localization / U4atac snRNA binding / box C/D sno(s)RNA binding / dense fibrillar component / box C/D methylation guide snoRNP complex / U4/U6 snRNP / transcription elongation factor activity / RNA splicing, via transesterification reactions / U2-type catalytic step 1 spliceosome / snRNP binding / proline-rich region binding / spliceosomal tri-snRNP complex / U4 snRNA binding / U2-type precatalytic spliceosome / mRNA cis splicing, via spliceosome / U2-type spliceosomal complex / U2-type prespliceosome assembly / RNA polymerase binding / U2-type catalytic step 2 spliceosome / box C/D snoRNP assembly / U2 snRNP / positive regulation of protein targeting to mitochondrion / U4 snRNP / ubiquitin-like protein conjugating enzyme binding / U2-type prespliceosome / rRNA modification in the nucleus and cytosol / U3 snoRNA binding / K63-linked polyubiquitin modification-dependent protein binding / precatalytic spliceosome / spliceosomal complex assembly / mRNA Splicing - Minor Pathway / mRNA 3'-splice site recognition / MLL1 complex / spliceosomal tri-snRNP complex assembly / negative regulation of transcription elongation by RNA polymerase II / U5 snRNA binding / U5 snRNP / U2 snRNA binding / U6 snRNA binding / pre-mRNA intronic binding / single fertilization / Major pathway of rRNA processing in the nucleolus and cytosol / spliceosomal snRNP assembly / ribonucleoprotein complex binding / RNA processing / U1 snRNA binding / Cajal body / U4/U6 x U5 tri-snRNP complex / catalytic step 2 spliceosome / mRNA Splicing - Major Pathway / RNA splicing / nuclear receptor binding / transcription coregulator activity / response to cocaine / maturation of SSU-rRNA / spliceosomal complex / small-subunit processome / positive regulation of transcription elongation by RNA polymerase II / mRNA splicing, via spliceosome / protein modification process / protein tag activity / cellular response to xenobiotic stimulus / mRNA processing / cellular response to tumor necrosis factor / transcription corepressor activity / cellular response to lipopolysaccharide / microtubule cytoskeleton / ATPase binding / ribosomal small subunit biogenesis / protein-macromolecule adaptor activity / RNA polymerase II-specific DNA-binding transcription factor binding / transcription coactivator activity / nuclear speck / ciliary basal body / cell division / intracellular membrane-bounded organelle / GTPase activity / centrosome / chromatin / GTP binding / nucleolus / negative regulation of transcription by RNA polymerase II / Golgi apparatus / positive regulation of transcription by RNA polymerase II / protein-containing complex / DNA binding / RNA binding / zinc ion binding / nucleoplasm / identical protein binding / nucleus / membrane / cytoplasm / cytosol
Similarity search - Function
WW domain-binding protein 4 / Ubiquitin-like modifier Hub1/Ubl5 / Pre-mRNA-splicing factor 38, C-terminal / Pre-mRNA-splicing factor 38-associated hydrophilic C-term / Micro-fibrillar-associated protein 1, C-terminal / Microfibrillar-associated protein 1 / Microfibril-associated/Pre-mRNA processing / U4/U6.U5 small nuclear ribonucleoprotein component Snu23 / Pre-mRNA-splicing factor 38 / Transcription elongation regulator 1-like ...WW domain-binding protein 4 / Ubiquitin-like modifier Hub1/Ubl5 / Pre-mRNA-splicing factor 38, C-terminal / Pre-mRNA-splicing factor 38-associated hydrophilic C-term / Micro-fibrillar-associated protein 1, C-terminal / Microfibrillar-associated protein 1 / Microfibril-associated/Pre-mRNA processing / U4/U6.U5 small nuclear ribonucleoprotein component Snu23 / Pre-mRNA-splicing factor 38 / Transcription elongation regulator 1-like / PRP38 family / TCERG1 WW domain / PRP4-like superfamily / pre-mRNA processing factor 4 (PRP4) like / U1-C, C2H2-type zinc finger / U1 zinc finger / FF domain / SNU66/SART1 family / HIND motif / SART-1 family / HIND motif / FF domain / FF domain superfamily / FF domain profile. / Contains two conserved F residues / PWI domain superfamily / PWI domain / PWI domain profile. / Pre-mRNA processing factor 4 (PRP4)-like / Splicing Factor Motif, present in Prp18 and Pr04 / 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 / PWI domain / PWI, domain in splicing factors / Dim1 family / Mitosis protein DIM1 / Mitosis protein DIM1 / PRP1 splicing factor, N-terminal / PRP1 splicing factor, N-terminal / Splicing factor 3A subunit 1, conserved domain / Splicing factor 3A subunit 1 / Pre-mRNA splicing factor PRP21 like protein / G10 protein signature 2. / SWAP/Surp / SWAP/Surp superfamily / Surp module / SURP motif repeat profile. / Suppressor-of-White-APricot splicing regulator / BUD31/G10-related, conserved site / G10 protein signature 1. / Matrin/U1-C, C2H2-type zinc finger / Zinc finger matrin-type profile. / G10 protein / Pre-mRNA-splicing factor BUD31 / Zinc-finger double-stranded RNA-binding / Zinc finger, double-stranded RNA binding / NOSIC / Tetratricopeptide repeat / NOSIC (NUC001) domain / Nop domain / Nop domain superfamily / Nop, C-terminal domain / snoRNA binding domain, fibrillarin / Nop domain profile. / H/ACA ribonucleoprotein complex, subunit Nhp2-like / 116kDa U5 small nuclear ribonucleoprotein component, N-terminal / 116kDa U5 small nuclear ribonucleoprotein component, C-terminal / Snu114, GTP-binding domain / 116 kDa U5 small nuclear ribonucleoprotein component N-terminus / Pre-mRNA-splicing factor Syf1-like / Matrin/U1-C-like, C2H2-type zinc finger / U1-like zinc finger / Tetratricopeptide repeat / HAT (Half-A-TPR) repeat / HAT (Half-A-TPR) repeats / Elongation Factor G, domain II / Elongation Factor G, domain III / JAB1/Mov34/MPN/PAD-1 ubiquitin protease / Translation elongation factor EFG/EF2, domain IV / Elongation factor G, domain IV / Elongation factor G, domain IV / Elongation factor G C-terminus / WW domain / WW/rsp5/WWP domain signature. / Elongation factor EFG, domain V-like / Elongation factor G C-terminus / WW domain superfamily / WW/rsp5/WWP domain profile. / Domain with 2 conserved Trp (W) residues / EF-G domain III/V-like / WW domain / PROCT domain / Prp8 RNase domain IV, fingers region
Similarity search - Domain/homology
Transcription elongation regulator 1 / U4/U6 small nuclear ribonucleoprotein Prp4 / U4/U6.U5 tri-snRNP-associated protein 1 / U4/U6 small nuclear ribonucleoprotein Prp3 / WW domain-binding protein 4 / Pre-mRNA-processing factor 6 / Protein BUD31 homolog / Microfibrillar-associated protein 1 / NHP2-like protein 1 / Thioredoxin-like protein 4A ...Transcription elongation regulator 1 / U4/U6 small nuclear ribonucleoprotein Prp4 / U4/U6.U5 tri-snRNP-associated protein 1 / U4/U6 small nuclear ribonucleoprotein Prp3 / WW domain-binding protein 4 / Pre-mRNA-processing factor 6 / Protein BUD31 homolog / Microfibrillar-associated protein 1 / NHP2-like protein 1 / Thioredoxin-like protein 4A / 116 kDa U5 small nuclear ribonucleoprotein component / Splicing factor 3A subunit 1 / Pre-mRNA-processing-splicing factor 8 / Pre-mRNA-splicing factor 38A / U4/U6 small nuclear ribonucleoprotein Prp31 / Zinc finger matrin-type protein 2 / Ubiquitin-like protein 5
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.1 Å
AuthorsZhang Z / Kumar V / Dybkov O / Will CL / Urlaub H / Stark H / Luehrmann R
Funding support Germany, 1 items
OrganizationGrant numberCountry
German Research Foundation (DFG) Germany
CitationJournal: EMBO J / Year: 2024
Title: Cryo-EM analyses of dimerized spliceosomes provide new insights into the functions of B complex proteins.
Authors: Zhenwei Zhang / Vinay Kumar / Olexandr Dybkov / Cindy L Will / Henning Urlaub / Holger Stark / Reinhard Lührmann /
Abstract: The B complex is a key intermediate stage of spliceosome assembly. To improve the structural resolution of monomeric, human spliceosomal B (hB) complexes and thereby generate a more comprehensive hB ...The B complex is a key intermediate stage of spliceosome assembly. To improve the structural resolution of monomeric, human spliceosomal B (hB) complexes and thereby generate a more comprehensive hB molecular model, we determined the cryo-EM structure of B complex dimers formed in the presence of ATP S. The enhanced resolution of these complexes allows a finer molecular dissection of how the 5' splice site (5'ss) is recognized in hB, and new insights into molecular interactions of FBP21, SNU23 and PRP38 with the U6/5'ss helix and with each other. It also reveals that SMU1 and RED are present as a heterotetrameric complex and are located at the interface of the B dimer protomers. We further show that MFAP1 and UBL5 form a 5' exon binding channel in hB, and elucidate the molecular contacts stabilizing the 5' exon at this stage. Our studies thus yield more accurate models of protein and RNA components of hB complexes. They further allow the localization of additional proteins and protein domains (such as SF3B6, BUD31 and TCERG1) whose position was not previously known, thereby uncovering new functions for B-specific and other hB proteins during pre-mRNA splicing.
History
DepositionAug 16, 2023-
Header (metadata) releaseJan 24, 2024-
Map releaseJan 24, 2024-
UpdateOct 23, 2024-
Current statusOct 23, 2024Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_18225.png

Downloads & links

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Map

FileDownload / File: emd_18225.map.gz / Format: CCP4 / Size: 536.4 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.16 Å/pix.
x 520 pix.
= 603.2 Å		1.16 Å/pix.
x 520 pix.
= 603.2 Å		1.16 Å/pix.
x 520 pix.
= 603.2 Å

Surface

Projections

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Images are generated by Spider.

Voxel sizeX=Y=Z: 1.16 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.03
Minimum - Maximum-0.11173251 - 0.23956151
Average (Standard dev.)0.00047533226 (±0.005526795)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions520520520
Spacing520520520
CellA=B=C: 603.2 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_18225_half_map_1.map
Projections & Slices
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Half map: #1

Fileemd_18225_half_map_2.map
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Sample components

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Entire : human pre-catalytic spliceosome

EntireName: human pre-catalytic spliceosome
Components
  • Complex: human pre-catalytic spliceosome
    • RNA: U5 snRNA
    • RNA: U6 snRNA
    • Protein or peptide: Splicing factor 3A subunit 1
    • Protein or peptide: 116 kDa U5 small nuclear ribonucleoprotein component
    • Protein or peptide: Thioredoxin-like protein 4A
    • Protein or peptide: Pre-mRNA-splicing factor 38A
    • Protein or peptide: Microfibrillar-associated protein 1
    • Protein or peptide: NHP2-like protein 1, N-terminally processed
    • Protein or peptide: Protein BUD31 homolog
    • Protein or peptide: WW domain-binding protein 4
    • RNA: MINX pre-mRNA
    • Protein or peptide: Ubiquitin-like protein 5
    • 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: U4/U6.U5 tri-snRNP-associated protein 1
    • Protein or peptide: Transcription elongation regulator 1
    • RNA: U4 snRNA
    • Protein or peptide: Zinc finger matrin-type protein 2
    • Protein or peptide: U4/U6 small nuclear ribonucleoprotein Prp3

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Supramolecule #1: human pre-catalytic spliceosome

SupramoleculeName: human pre-catalytic spliceosome / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#11, #13-#20, #12, #21
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: U5 snRNA

MacromoleculeName: U5 snRNA / type: rna / ID: 1 / 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 #2: U6 snRNA

MacromoleculeName: U6 snRNA / type: rna / ID: 2 / 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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Macromolecule #11: MINX pre-mRNA

MacromoleculeName: MINX pre-mRNA / type: rna / ID: 11 / 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 #20: U4 snRNA

MacromoleculeName: U4 snRNA / type: rna / ID: 20 / Number of copies: 1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 46.528465 KDa
SequenceString:
AGCUUUGCGC AGUGGCAGUA UCGUAGCCAA UGAGGUUUAU CCGAGGCGCG AUUAUUGCUA AUUGAAAACU UUUCCCAAUA CCCCGCCGU GACGACUUGC AAUAUAGUCG GCAUUGGCAA UUUUUGACAG UCUCUACGGA GACUGG

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Macromolecule #3: Splicing factor 3A subunit 1

MacromoleculeName: Splicing factor 3A subunit 1 / type: protein_or_peptide / ID: 3 / 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 #4: 116 kDa U5 small nuclear ribonucleoprotein component

MacromoleculeName: 116 kDa U5 small nuclear ribonucleoprotein component / type: protein_or_peptide / ID: 4 / 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 #5: Thioredoxin-like protein 4A

MacromoleculeName: Thioredoxin-like protein 4A / type: protein_or_peptide / ID: 5 / 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 #6: Pre-mRNA-splicing factor 38A

MacromoleculeName: Pre-mRNA-splicing factor 38A / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 37.563863 KDa
SequenceString: MANRTVKDAH SIHGTNPQYL VEKIIRTRIY ESKYWKEECF GLTAELVVDK AMELRFVGGV YGGNIKPTPF LCLTLKMLQI QPEKDIIVE FIKNEDFKYV RMLGALYMRL TGTAIDCYKY LEPLYNDYRK IKSQNRNGEF ELMHVDEFID ELLHSERVCD I ILPRLQKR ...String:
MANRTVKDAH SIHGTNPQYL VEKIIRTRIY ESKYWKEECF GLTAELVVDK AMELRFVGGV YGGNIKPTPF LCLTLKMLQI QPEKDIIVE FIKNEDFKYV RMLGALYMRL TGTAIDCYKY LEPLYNDYRK IKSQNRNGEF ELMHVDEFID ELLHSERVCD I ILPRLQKR YVLEEAEQLE PRVSALEEDM DDVESSEEEE EEDEKLERVP SPDHRRRSYR DLDKPRRSPT LRYRRSRSRS PR RRSRSPK RRSPSPRRER HRSKSPRRHR SRSRDRRHRS RSKSPGHHRS HRHRSHSKSP ERSKKSHKKS RRGNE

UniProtKB: Pre-mRNA-splicing factor 38A

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Macromolecule #7: Microfibrillar-associated protein 1

MacromoleculeName: Microfibrillar-associated protein 1 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 52.050527 KDa
SequenceString: MSVPSALMKQ PPIQSTAGAV PVRNEKGEIS MEKVKVKRYV SGKRPDYAPM ESSDEEDEEF QFIKKAKEQE AEPEEQEEDS SSDPRLRRL QNRISEDVEE RLARHRKIVE PEVVGESDSE VEGDAWRMER EDSSEEEEEE IDDEEIERRR GMMRQRAQER K NEEMEVME ...String:
MSVPSALMKQ PPIQSTAGAV PVRNEKGEIS MEKVKVKRYV SGKRPDYAPM ESSDEEDEEF QFIKKAKEQE AEPEEQEEDS SSDPRLRRL QNRISEDVEE RLARHRKIVE PEVVGESDSE VEGDAWRMER EDSSEEEEEE IDDEEIERRR GMMRQRAQER K NEEMEVME VEDEGRSGEE SESESEYEEY TDSEDEMEPR LKPVFIRKKD RVTVQEREAE ALKQKELEQE AKRMAEERRK YT LKIVEEE TKKELEENKR SLAALDALNT DDENDEEEYE AWKVRELKRI KRDREDREAL EKEKAEIERM RNLTEEERRA ELR ANGKVI TNKAVKGKYK FLQKYYHRGA FFMDEDEEVY KRDFSAPTLE DHFNKTILPK VMQVKNFGRS GRTKYTHLVD QDTT SFDSA WGQESAQNTK FFKQKAAGVR DVFERPSAKK RKTT

UniProtKB: Microfibrillar-associated protein 1

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Macromolecule #8: NHP2-like protein 1, N-terminally processed

MacromoleculeName: NHP2-like protein 1, N-terminally processed / type: protein_or_peptide / ID: 8 / 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 #9: Protein BUD31 homolog

MacromoleculeName: Protein BUD31 homolog / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 17.03285 KDa
SequenceString:
MPKVKRSRKA PPDGWELIEP TLDELDQKMR EAETEPHEGK RKVESLWPIF RIHHQKTRYI FDLFYKRKAI SRELYEYCIK EGYADKNLI AKWKKQGYEN LCCLRCIQTR DTNFGTNCIC RVPKSKLEVG RIIECTHCGC RGCSG

UniProtKB: Protein BUD31 homolog

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Macromolecule #10: WW domain-binding protein 4

MacromoleculeName: WW domain-binding protein 4 / type: protein_or_peptide / ID: 10 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 42.575801 KDa
SequenceString: MADYWKSQPK KFCDYCKCWI ADNRPSVEFH ERGKNHKENV AKRISEIKQK SLDKAKEEEK ASKEFAAMEA AALKAYQEDL KRLGLESEI LEPSITPVTS TIPPTSTSNQ QKEKKEKKKR KKDPSKGRWV EGITSEGYHY YYDLISGASQ WEKPEGFQGD L KKTAVKTV ...String:
MADYWKSQPK KFCDYCKCWI ADNRPSVEFH ERGKNHKENV AKRISEIKQK SLDKAKEEEK ASKEFAAMEA AALKAYQEDL KRLGLESEI LEPSITPVTS TIPPTSTSNQ QKEKKEKKKR KKDPSKGRWV EGITSEGYHY YYDLISGASQ WEKPEGFQGD L KKTAVKTV WVEGLSEDGF TYYYNTETGE SRWEKPDDFI PHTSDLPSSK VNENSLGTLD ESKSSDSHSD SDGEQEAEEG GV STETEKP KIKFKEKNKN SDGGSDPETQ KEKSIQKQNS LGSNEEKSKT LKKSNPYGEW QEIKQEVESH EEVDLELPST ENE YVSTSE ADGGGEPKVV FKEKTVTSLG VMADGVAPVF KKRRTENGKS RNLRQRGDDQ

UniProtKB: WW domain-binding protein 4

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Macromolecule #12: Zinc finger matrin-type protein 2

MacromoleculeName: Zinc finger matrin-type protein 2 / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.664047 KDa
SequenceString: MASGSGTKNL DFRRKWDKDE YEKLAEKRLT EEREKKDGKP VQPVKRELLR HRDYKVDLES KLGKTIVITK TTPQSEMGGY YCNVCDCVV KDSINFLDHI NGKKHQRNLG MSMRVERSTL DQVKKRFEVN KKKMEEKQKD YDFEERMKEL REEEEKAKAY K KEKQKEKK ...String:
MASGSGTKNL DFRRKWDKDE YEKLAEKRLT EEREKKDGKP VQPVKRELLR HRDYKVDLES KLGKTIVITK TTPQSEMGGY YCNVCDCVV KDSINFLDHI NGKKHQRNLG MSMRVERSTL DQVKKRFEVN KKKMEEKQKD YDFEERMKEL REEEEKAKAY K KEKQKEKK RRAEEDLTFE EDDEMAAVMG FSGFGSTKKS Y

UniProtKB: Zinc finger matrin-type protein 2

+
Macromolecule #13: Ubiquitin-like protein 5

MacromoleculeName: Ubiquitin-like protein 5 / type: protein_or_peptide / ID: 13 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 8.560945 KDa
SequenceString:
MIEVVCNDRL GKKVRVKCNT DDTIGDLKKL IAAQTGTRWN KIVLKKWYTI FKDHVSLGDY EIHDGMNLEL YYQ

UniProtKB: Ubiquitin-like protein 5

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Macromolecule #14: U4/U6 small nuclear ribonucleoprotein Prp31

MacromoleculeName: U4/U6 small nuclear ribonucleoprotein Prp31 / type: protein_or_peptide / ID: 14 / 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 #15: U4/U6 small nuclear ribonucleoprotein Prp4

MacromoleculeName: U4/U6 small nuclear ribonucleoprotein Prp4 / type: protein_or_peptide / ID: 15 / 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 #16: Pre-mRNA-processing factor 6

MacromoleculeName: Pre-mRNA-processing factor 6 / type: protein_or_peptide / ID: 16 / 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 #17: Pre-mRNA-processing-splicing factor 8

MacromoleculeName: Pre-mRNA-processing-splicing factor 8 / type: protein_or_peptide / ID: 17 / 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

+
Macromolecule #18: U4/U6.U5 tri-snRNP-associated protein 1

MacromoleculeName: U4/U6.U5 tri-snRNP-associated protein 1 / type: protein_or_peptide / ID: 18 / 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 #19: Transcription elongation regulator 1

MacromoleculeName: Transcription elongation regulator 1 / type: protein_or_peptide / ID: 19 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 124.083 KDa
SequenceString: MAERGGDGGE SERFNPGELR MAQQQALRFR GPAPPPNAVM RGPPPLMRPP PPFGMMRGPP PPPRPPFGRP PFDPNMPPMP PPGGIPPPM GPPHLQRPPF MPPPMSSMPP PPGMMFPPGM PPVTAPGTPA LPPTEEIWVE NKTPDGKVYY YNARTRESAW T KPDGVKVI ...String:
MAERGGDGGE SERFNPGELR MAQQQALRFR GPAPPPNAVM RGPPPLMRPP PPFGMMRGPP PPPRPPFGRP PFDPNMPPMP PPGGIPPPM GPPHLQRPPF MPPPMSSMPP PPGMMFPPGM PPVTAPGTPA LPPTEEIWVE NKTPDGKVYY YNARTRESAW T KPDGVKVI QQSELTPMLA AQAQVQAQAQ AQAQAQAQAQ AQAQAQAQAQ AQAQAQAQAQ AQAQAQAQAQ AQAQAQAQAQ AQ AQVQAQV QAQVQAQAVG ASTPTTSSPA PAVSTSTSSS TPSSTTSTTT TATSVAQTVS TPTTQDQTPS SAVSVATPTV SVS TPAPTA TPVQTVPQPH PQTLPPAVPH SVPQPTTAIP AFPPVMVPPF RVPLPGMPIP LPGVAMMQIV SCPYVKTVAT TKTG VLPGM APPIVPMIHP QVAIAASPAT LAGATAVSEW TEYKTADGKT YYYNNRTLES TWEKPQELKE KEKLEEKIKE PIKEP SEEP LPMETEEEDP KEEPIKEIKE EPKEEEMTEE EKAAQKAKPV ATAPIPGTPW CVVWTGDERV FFYNPTTRLS MWDRPD DLI GRADVDKIIQ EPPHKKGMEE LKKLRHPTPT MLSIQKWQFS MSAIKEEQEL MEEINEDEPV KAKKRKRDDN KDIDSEK EA AMEAEIKAAR ERAIVPLEAR MKQFKDMLLE RGVSAFSTWE KELHKIVFDP RYLLLNPKER KQVFDQYVKT RAEEERRE K KNKIMQAKED FKKMMEEAKF NPRATFSEFA AKHAKDSRFK AIEKMKDREA LFNEFVAAAR KKEKEDSKTR GEKIKSDFF ELLSNHHLDS QSRWSKVKDK VESDPRYKAV DSSSMREDLF KQYIEKIAKN LDSEKEKELE RQARIEASLR EREREVQKAR SEQTKEIDR EREQHKREEA IQNFKALLSD MVRSSDVSWS DTRRTLRKDH RWESGSLLER EEKEKLFNEH IEALTKKKRE H FRQLLDET SAITLTSTWK EVKKIIKEDP RCIKFSSSDR KKQREFEEYI RDKYITAKAD FRTLLKETKF ITYRSKKLIQ ES DQHLKDV EKILQNDKRY LVLDCVPEER RKLIVAYVDD LDRRGPPPPP TASEPTRRST K

UniProtKB: Transcription elongation regulator 1

+
Macromolecule #21: U4/U6 small nuclear ribonucleoprotein Prp3

MacromoleculeName: U4/U6 small nuclear ribonucleoprotein Prp3 / type: protein_or_peptide / ID: 21 / 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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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

-
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) / Detector mode: INTEGRATING / Average electron dose: 48.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.0 µm / Nominal defocus min: 1.5 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

+
Image processing

Startup modelType of model: OTHER / Details: ab initio 3D reconstruction
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 251564
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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