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- EMDB-9646: Cryo-EM structure of a human intron lariat spliceosome prior to P... -

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Basic information

Entry
Database: EMDB / ID: EMD-9646
TitleCryo-EM structure of a human intron lariat spliceosome prior to Prp43 loaded (ILS1 complex) at 2.9 angstrom resolution
Map dataThe 2.9 angstrom map of the human ILS1 complex
Sample
  • Complex: Human Intron Lariat Spliceosome
    • Protein or peptide: x 28 types
    • RNA: x 4 types
  • Ligand: x 4 types
KeywordsHuman Intron Lariat Spliceosome / SPLICING
Function / homology
Function and homology information


regulation of retinoic acid receptor signaling pathway / post-mRNA release spliceosomal complex / U2 snRNP binding / U7 snRNA binding / histone pre-mRNA DCP binding / 3'-5' RNA helicase activity / U7 snRNP / generation of catalytic spliceosome for first transesterification step / histone pre-mRNA 3'end processing complex / alternative mRNA splicing, via spliceosome ...regulation of retinoic acid receptor signaling pathway / post-mRNA release spliceosomal complex / U2 snRNP binding / U7 snRNA binding / histone pre-mRNA DCP binding / 3'-5' RNA helicase activity / U7 snRNP / generation of catalytic spliceosome for first transesterification step / histone pre-mRNA 3'end processing complex / alternative mRNA splicing, via spliceosome / regulation of vitamin D receptor signaling pathway / SLBP independent Processing of Histone Pre-mRNAs / SLBP Dependent Processing of Replication-Dependent Histone Pre-mRNAs / nuclear retinoic acid receptor binding / embryonic brain development / oocyte development / protein methylation / U12-type spliceosomal complex / poly(A) binding / 7-methylguanosine cap hypermethylation / RNA splicing, via transesterification reactions / U1 snRNP binding / mRNA 3'-end processing / sno(s)RNA-containing ribonucleoprotein complex / methylosome / pICln-Sm protein complex / U2-type catalytic step 1 spliceosome / pre-mRNA binding / positive regulation of mRNA splicing, via spliceosome / snRNP binding / small nuclear ribonucleoprotein complex / SMN-Sm protein complex / P granule / host-mediated activation of viral transcription / spliceosomal tri-snRNP complex / U2-type precatalytic spliceosome / telomerase RNA binding / U2-type spliceosomal complex / positive regulation of vitamin D receptor signaling pathway / telomerase holoenzyme complex / commitment complex / mRNA cis splicing, via spliceosome / U2-type prespliceosome assembly / nuclear vitamin D receptor binding / Transport of Mature mRNA derived from an Intron-Containing Transcript / Regulation of gene expression in late stage (branching morphogenesis) pancreatic bud precursor cells / Notch binding / RUNX3 regulates NOTCH signaling / U2-type catalytic step 2 spliceosome / positive regulation of neurogenesis / NOTCH4 Intracellular Domain Regulates Transcription / U4 snRNP / U2 snRNP / RNA Polymerase II Transcription Termination / U1 snRNP / NOTCH3 Intracellular Domain Regulates Transcription / protein peptidyl-prolyl isomerization / U2-type prespliceosome / WD40-repeat domain binding / inner cell mass cell proliferation / ubiquitin-ubiquitin ligase activity / nuclear androgen receptor binding / K63-linked polyubiquitin modification-dependent protein binding / precatalytic spliceosome / cyclosporin A binding / lipid biosynthetic process / Notch-HLH transcription pathway / Formation of paraxial mesoderm / positive regulation of transforming growth factor beta receptor signaling pathway / SMAD binding / spliceosomal complex assembly / mitotic G2 DNA damage checkpoint signaling / mRNA Splicing - Minor Pathway / spliceosomal tri-snRNP complex assembly / blastocyst development / Prp19 complex / RNA polymerase II CTD heptapeptide repeat P3 isomerase activity / RNA polymerase II CTD heptapeptide repeat P6 isomerase activity / protein K63-linked ubiquitination / U5 snRNA binding / intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / protein localization to nucleus / U5 snRNP / positive regulation of G1/S transition of mitotic cell cycle / embryonic organ development / U2 snRNA binding / U6 snRNA binding / pre-mRNA intronic binding / spliceosomal snRNP assembly / positive regulation of viral genome replication / RNA processing / Cajal body / U1 snRNA binding / proteasomal protein catabolic process / transcription-coupled nucleotide-excision repair / retinoic acid receptor signaling pathway / spindle assembly / ovarian follicle development / U4/U6 x U5 tri-snRNP complex / cellular response to retinoic acid
Similarity search - Function
Cwf19-like protein, C-terminal domain-2 / Cwf19-like, C-terminal domain-1 / Cwf19-like protein / Protein similar to CwfJ C-terminus 2 / Protein similar to CwfJ C-terminus 1 / Prp19 WD40 domain / : / : / Intron-binding protein aquarius, beta-barrel / Intron-binding protein aquarius insert domain ...Cwf19-like protein, C-terminal domain-2 / Cwf19-like, C-terminal domain-1 / Cwf19-like protein / Protein similar to CwfJ C-terminus 2 / Protein similar to CwfJ C-terminus 1 / Prp19 WD40 domain / : / : / Intron-binding protein aquarius, beta-barrel / Intron-binding protein aquarius insert domain / Peptidyl-prolyl cis-trans isomerase E / Peptidyl-prolyl cis-trans isomerase E, RNA recognition motif / Pre-mRNA-splicing factor SPF27 / Breast carcinoma amplified sequence 2 (BCAS2) / CWF11 family / Intron-binding protein aquarius, N-terminal / Intron-binding protein aquarius N-terminal / mRNA splicing factor SYF2 / SYF2 splicing factor / U2 small nuclear ribonucleoprotein B'', RNA recognition motif 2 / U2 small nuclear ribonucleoprotein B'', RNA recognition motif 1 / Pre-mRNA-processing factor 17 / U-box domain / Pre-mRNA-splicing factor 19 / Pre-mRNA-processing factor 19 / : / Prp19/Pso4-like / : / Pre-mRNA-splicing factor SYF1 middle HAT repeat / G10 protein signature 2. / Cyclophilin-type peptidyl-prolyl cis-trans isomerase, cyclophilin A-like / BUD31/G10-related, conserved site / G10 protein signature 1. / DNA2/NAM7 helicase, helicase domain / : / AAA domain / STL11, N-terminal / : / Pre-mRNA-splicing factor Syf1/CRNKL1 C-terminal HAT repeat / SKI-interacting protein SKIP, SNW domain / SKI-interacting protein, SKIP / SKIP/SNW domain / : / Pre-mRNA-splicing factor Syf1/CNRKL1 N-terminal HAT repeat / Pre-mRNA-splicing factor Cwf15/Cwc15 / Cwf15/Cwc15 cell cycle control protein / WD repeat Prp46/PLRG1-like / Pre-mRNA-splicing factor Cwc2/Slt11 / : / G10 protein / Pre-mRNA-splicing factor BUD31 / Pre-mRNA splicing factor component Cdc5p/Cef1, C-terminal / : / : / pre-mRNA splicing factor component / DNA2/NAM7-like helicase / : / Small ribonucleoprotein associated, SmB/SmN / Myb-like DNA-binding domain / U2 small nuclear ribonucleoprotein A' / U-box domain profile. / Small nuclear ribonucleoprotein D1 / U2A'/phosphoprotein 32 family A, C-terminal / occurring C-terminal to leucine-rich repeats / HIT-like superfamily / Modified RING finger domain / Zinc finger, CCCH-type superfamily / U-box domain / zinc finger / Leucine-rich repeat / 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 / Small nuclear ribonucleoprotein Sm D3 / Small nuclear ribonucleoprotein Sm D2 / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein G / Small nuclear ribonucleoprotein F / Sm-like protein Lsm7/SmG / Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3 / Sm-like protein Lsm6/SmF / Myb-type HTH DNA-binding domain profile. / Zinc finger, CCCH-type / Zinc finger C3H1-type profile. / LSM domain / LSM domain, eukaryotic/archaea-type / snRNP Sm proteins / HAT (Half-A-TPR) repeat / HAT (Half-A-TPR) repeats / Myb domain / Cyclophilin-type peptidyl-prolyl cis-trans isomerase / : / Sm domain profile. / Elongation Factor G, domain II / Elongation Factor G, domain III / LSM domain superfamily / Translation elongation factor EFG/EF2, domain IV / Elongation factor G, domain IV
Similarity search - Domain/homology
Pleiotropic regulator 1 / RNA helicase aquarius / Pre-mRNA-processing factor 17 / Pre-mRNA-splicing factor SPF27 / Pre-mRNA-splicing factor SYF2 / U2 small nuclear ribonucleoprotein B'' / U2 small nuclear ribonucleoprotein A' / Small nuclear ribonucleoprotein-associated proteins B and B' / Protein BUD31 homolog / Small nuclear ribonucleoprotein E ...Pleiotropic regulator 1 / RNA helicase aquarius / Pre-mRNA-processing factor 17 / Pre-mRNA-splicing factor SPF27 / Pre-mRNA-splicing factor SYF2 / U2 small nuclear ribonucleoprotein B'' / U2 small nuclear ribonucleoprotein A' / Small nuclear ribonucleoprotein-associated proteins B and B' / Protein BUD31 homolog / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein F / Small nuclear ribonucleoprotein G / Small nuclear ribonucleoprotein Sm D1 / Small nuclear ribonucleoprotein Sm D2 / Small nuclear ribonucleoprotein Sm D3 / SNW domain-containing protein 1 / 116 kDa U5 small nuclear ribonucleoprotein component / CWF19-like protein 2 / Small nuclear ribonucleoprotein-associated protein / Pre-mRNA-processing-splicing factor 8 / U5 small nuclear ribonucleoprotein 40 kDa protein / Cell division cycle 5-like protein / Crooked neck-like protein 1 / Pre-mRNA-splicing factor SYF1 / Pre-mRNA-splicing factor RBM22 / Spliceosome-associated protein CWC15 homolog / Pre-mRNA-processing factor 19 / Peptidyl-prolyl cis-trans isomerase E / Peptidyl-prolyl cis-trans isomerase-like 1
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsZhang X / Zhan X
Funding support China, 2 items
OrganizationGrant numberCountry
National Natural Science Foundation of China31621092 China
National Natural Science Foundation of China31430020 China
CitationJournal: Cell Res / Year: 2019
Title: Structures of the human spliceosomes before and after release of the ligated exon.
Authors: Xiaofeng Zhang / Xiechao Zhan / Chuangye Yan / Wenyu Zhang / Dongliang Liu / Jianlin Lei / Yigong Shi /
Abstract: Pre-mRNA splicing is executed by the spliceosome, which has eight major functional states each with distinct composition. Five of these eight human spliceosomal complexes, all preceding exon ...Pre-mRNA splicing is executed by the spliceosome, which has eight major functional states each with distinct composition. Five of these eight human spliceosomal complexes, all preceding exon ligation, have been structurally characterized. In this study, we report the cryo-electron microscopy structures of the human post-catalytic spliceosome (P complex) and intron lariat spliceosome (ILS) at average resolutions of 3.0 and 2.9 Å, respectively. In the P complex, the ligated exon remains anchored to loop I of U5 small nuclear RNA, and the 3'-splice site is recognized by the junction between the 5'-splice site and the branch point sequence. The ATPase/helicase Prp22, along with the ligated exon and eight other proteins, are dissociated in the P-to-ILS transition. Intriguingly, the ILS complex exists in two distinct conformations, one with the ATPase/helicase Prp43 and one without. Comparison of these three late-stage human spliceosomes reveals mechanistic insights into exon release and spliceosome disassembly.
History
DepositionSep 7, 2018-
Header (metadata) releaseMar 13, 2019-
Map releaseMar 13, 2019-
UpdateOct 30, 2024-
Current statusOct 30, 2024Processing site: PDBj / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.025
  • Imaged by UCSF Chimera
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  • Surface view colored by radius
  • Surface level: 0.025
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6id0
  • Surface level: 0.025
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_9646.png

Downloads & links

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Map

FileDownload / File: emd_9646.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationThe 2.9 angstrom map of the human ILS1 complex
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.34 Å/pix.
x 400 pix.
= 535.2 Å		1.34 Å/pix.
x 400 pix.
= 535.2 Å		1.34 Å/pix.
x 400 pix.
= 535.2 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.338 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.025 / Movie #1: 0.025
Minimum - Maximum-0.23935571 - 0.5426388
Average (Standard dev.)0.00016763175 (±0.0089349225)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions400400400
Spacing400400400
CellA=B=C: 535.2 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.3381.3381.338
M x/y/z400400400
origin x/y/z0.0000.0000.000
length x/y/z535.200535.200535.200
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS400400400
D min/max/mean-0.2390.5430.000

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Supplemental data

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Additional map: The 4.2 angstrom map of the human ILS1 complex

Fileemd_9646_additional.map
AnnotationThe 4.2 angstrom map of the human ILS1 complex
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Human Intron Lariat Spliceosome

EntireName: Human Intron Lariat Spliceosome
Components
  • Complex: Human Intron Lariat Spliceosome
    • Protein or peptide: Pre-mRNA-processing-splicing factor 8
    • RNA: U5snRNA
    • Protein or peptide: 116 kDa U5 small nuclear ribonucleoprotein component
    • Protein or peptide: U5 small nuclear ribonucleoprotein 40 kDa protein
    • RNA: U6snRNA
    • Protein or peptide: Crooked neck-like protein 1
    • Protein or peptide: Cell division cycle 5-like protein
    • Protein or peptide: Pre-mRNA-splicing factor SYF2
    • Protein or peptide: Protein BUD31 homolog
    • Protein or peptide: Pre-mRNA-splicing factor RBM22
    • Protein or peptide: Spliceosome-associated protein CWC15 homolog
    • Protein or peptide: SNW domain-containing protein 1
    • Protein or peptide: Peptidyl-prolyl cis-trans isomerase-like 1
    • Protein or peptide: Pleiotropic regulator 1
    • Protein or peptide: Pre-mRNA-processing factor 17
    • RNA: pre-mRNA
    • RNA: U2snRNA
    • Protein or peptide: CWF19-like protein 2
    • Protein or peptide: Pre-mRNA-splicing factor SYF1
    • Protein or peptide: Small nuclear ribonucleoprotein Sm D3
    • Protein or peptide: Small nuclear ribonucleoprotein-associated protein
    • Protein or peptide: Small nuclear ribonucleoprotein Sm D1
    • Protein or peptide: Small nuclear ribonucleoprotein Sm D2
    • Protein or peptide: Small nuclear ribonucleoprotein F
    • Protein or peptide: Small nuclear ribonucleoprotein E
    • Protein or peptide: Small nuclear ribonucleoprotein G
    • Protein or peptide: Pre-mRNA-processing factor 19
    • Protein or peptide: Pre-mRNA-splicing factor SPF27
    • Protein or peptide: U2 small nuclear ribonucleoprotein A'
    • Protein or peptide: U2 small nuclear ribonucleoprotein B''
    • Protein or peptide: RNA helicase aquarius
    • Protein or peptide: Peptidyl-prolyl cis-trans isomerase E
  • Ligand: INOSITOL HEXAKISPHOSPHATE
  • Ligand: GUANOSINE-5'-TRIPHOSPHATE
  • Ligand: MAGNESIUM ION
  • Ligand: ZINC ION

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Supramolecule #1: Human Intron Lariat Spliceosome

SupramoleculeName: Human Intron Lariat Spliceosome / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#32
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Pre-mRNA-processing-splicing factor 8

MacromoleculeName: Pre-mRNA-processing-splicing factor 8 / type: protein_or_peptide / ID: 1 / 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 #3: 116 kDa U5 small nuclear ribonucleoprotein component

MacromoleculeName: 116 kDa U5 small nuclear ribonucleoprotein component / type: protein_or_peptide / ID: 3 / 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 #4: U5 small nuclear ribonucleoprotein 40 kDa protein

MacromoleculeName: U5 small nuclear ribonucleoprotein 40 kDa protein / type: protein_or_peptide / ID: 4 / 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 #6: Crooked neck-like protein 1

MacromoleculeName: Crooked neck-like protein 1 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 100.610008 KDa
SequenceString: MTATVENLTF QKDTLGNAVD KNTSRLELRS YSLAGRHGST EPLVLAWSSQ FRRLTWGCAL DALHRSPCVA ASQHGVTHLI RSSRTPHST RCRKEDAQPG HHGNGAASVT AQARGQRSVL QVPLPVPRSC LFSESFVVSV SSQSRFLASV PGTGVQRSTA A DMAASTAA ...String:
MTATVENLTF QKDTLGNAVD KNTSRLELRS YSLAGRHGST EPLVLAWSSQ FRRLTWGCAL DALHRSPCVA ASQHGVTHLI RSSRTPHST RCRKEDAQPG HHGNGAASVT AQARGQRSVL QVPLPVPRSC LFSESFVVSV SSQSRFLASV PGTGVQRSTA A DMAASTAA GKQRIPKVAK VKNKAPAEVQ ITAEQLLREA KERELELLPP PPQQKITDEE ELNDYKLRKR KTFEDNIRKN RT VISNWIK YAQWEESLKE IQRARSIYER ALDVDYRNIT LWLKYAEMEM KNRQVNHARN IWDRAITTLP RVNQFWYKYT YME EMLGNV AGARQVFERW MEWQPEEQAW HSYINFELRY KEVDRARTIY ERFVLVHPDV KNWIKYARFE EKHAYFAHAR KVYE RAVEF FGDEHMDEHL YVAFAKFEEN QKEFERVRVI YKYALDRISK QDAQELFKNY TIFEKKFGDR RGIEDIIVSK RRFQY EEEV KANPHNYDAW FDYLRLVESD AEAEAVREVY ERAIANVPPI QEKRHWKRYI YLWINYALYE ELEAKDPERT RQVYQA SLE LIPHKKFTFA KMWILYAQFE IRQKNLSLAR RALGTSIGKC PKNKLFKVYI ELELQLREFD RCRKLYEKFL EFGPENC TS WIKFAELETI LGDIDRARAI YELAISQPRL DMPEVLWKSY IDFEIEQEET ERTRNLYRRL LQRTQHVKVW ISFAQFEL S SGKEGSLTKC RQIYEEANKT MRNCEEKEER LMLLESWRSF EEEFGTASDK ERVDKLMPEK VKKRRKVQTD DGSDAGWEE YFDYIFPEDA ANQPNLKLLA MAKLWKKQQQ EKEDAEHHPD EDVDESES

UniProtKB: Crooked neck-like protein 1

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Macromolecule #7: Cell division cycle 5-like protein

MacromoleculeName: Cell division cycle 5-like protein / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 92.406883 KDa
SequenceString: MPRIMIKGGV WRNTEDEILK AAVMKYGKNQ WSRIASLLHR KSAKQCKARW YEWLDPSIKK TEWSREEEEK LLHLAKLMPT QWRTIAPII GRTAAQCLEH YEFLLDKAAQ RDNEEETTDD PRKLKPGEID PNPETKPARP DPIDMDEDEL EMLSEARARL A NTQGKKAK ...String:
MPRIMIKGGV WRNTEDEILK AAVMKYGKNQ WSRIASLLHR KSAKQCKARW YEWLDPSIKK TEWSREEEEK LLHLAKLMPT QWRTIAPII GRTAAQCLEH YEFLLDKAAQ RDNEEETTDD PRKLKPGEID PNPETKPARP DPIDMDEDEL EMLSEARARL A NTQGKKAK RKAREKQLEE ARRLAALQKR RELRAAGIEI QKKRKRKRGV DYNAEIPFEK KPALGFYDTS EENYQALDAD FR KLRQQDL DGELRSEKEG RDRKKDKQHL KRKKESDLPS AILQTSGVSE FTKKRSKLVL PAPQISDAEL QEVVKVGQAS EIA RQTAEE SGITNSASST LLSEYNVTNN SVALRTPRTP ASQDRILQEA QNLMALTNVD TPLKGGLNTP LHESDFSGVT PQRQ VVQTP NTVLSTPFRT PSNGAEGLTP RSGTTPKPVI NSTPGRTPLR DKLNINPEDG MADYSDPSYV KQMERESREH LRLGL LGLP APKNDFEIVL PENAEKELEE REIDDTYIED AADVDARKQA IRDAERVKEM KRMHKAVQKD LPRPSEVNET ILRPLN VEP PLTDLQKSEE LIKKEMITML HYDLLHHPYE PSGNKKGKTV GFGTNNSEHI TYLEHNPYEK FSKEELKKAQ DVLVQEM EV VKQGMSHGEL SSEAYNQVWE ECYSQVLYLP GQSRYTRANL ASKKDRIESL EKRLEINRGH MTTEAKRAAK MEKKMKIL L GGYQSRAMGL MKQLNDLWDQ IEQAHLELRT FEELKKHEDS AIPRRLECLK EDVQRQQERE KELQHRYADL LLEKETLKS KF

UniProtKB: Cell division cycle 5-like protein

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Macromolecule #8: Pre-mRNA-splicing factor SYF2

MacromoleculeName: Pre-mRNA-splicing factor SYF2 / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 28.780518 KDa
SequenceString: MAAIAASEVL VDSAEEGSLA AAAELAAQKR EQRLRKFREL HLMRNEARKL NHQEVVEEDK RLKLPANWEA KKARLEWELK EEEKKKECA ARGEDYEKVK LLEISAEDAE RWERKKKRKN PDLGFSDYAA AQLRQYHRLT KQIKPDMETY ERLREKHGEE F FPTSNSLL ...String:
MAAIAASEVL VDSAEEGSLA AAAELAAQKR EQRLRKFREL HLMRNEARKL NHQEVVEEDK RLKLPANWEA KKARLEWELK EEEKKKECA ARGEDYEKVK LLEISAEDAE RWERKKKRKN PDLGFSDYAA AQLRQYHRLT KQIKPDMETY ERLREKHGEE F FPTSNSLL HGTHVPSTEE IDRMVIDLEK QIEKRDKYSR RRPYNDDADI DYINERNAKF NKKAERFYGK YTAEIKQNLE RG TAV

UniProtKB: Pre-mRNA-splicing factor SYF2

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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: Pre-mRNA-splicing factor RBM22

MacromoleculeName: Pre-mRNA-splicing factor RBM22 / type: protein_or_peptide / ID: 10 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 46.959555 KDa
SequenceString: MATSLGSNTY NRQNWEDADF PILCQTCLGE NPYIRMTKEK YGKECKICAR PFTVFRWCPG VRMRFKKTEV CQTCSKLKNV CQTCLLDLE YGLPIQVRDA GLSFKDDMPK SDVNKEYYTQ NMEREISNSD GTRPVGMLGK ATSTSDMLLK LARTTPYYKR N RPHICSFW ...String:
MATSLGSNTY NRQNWEDADF PILCQTCLGE NPYIRMTKEK YGKECKICAR PFTVFRWCPG VRMRFKKTEV CQTCSKLKNV CQTCLLDLE YGLPIQVRDA GLSFKDDMPK SDVNKEYYTQ NMEREISNSD GTRPVGMLGK ATSTSDMLLK LARTTPYYKR N RPHICSFW VKGECKRGEE CPYRHEKPTD PDDPLADQNI KDRYYGINDP VADKLLKRAS TMPRLDPPED KTITTLYVGG LG DTITETD LRNHFYQFGE IRTITVVQRQ QCAFIQFATR QAAEVAAEKS FNKLIVNGRR LNVKWGRSQA ARGKEKEKDG TTD SGIKLE PVPGLPGALP PPPAAEEEAS ANYFNLPPSG PPAVVNIALP PPPGIAPPPP PGFGPHMFHP MGPPPPFMRA PGPI HYPSQ DPQRMGAHAG KHSSP

UniProtKB: Pre-mRNA-splicing factor RBM22

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Macromolecule #11: Spliceosome-associated protein CWC15 homolog

MacromoleculeName: Spliceosome-associated protein CWC15 homolog / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 26.674447 KDa
SequenceString: MTTAARPTFE PARGGRGKGE GDLSQLSKQY SSRDLPSHTK IKYRQTTQDA PEEVRNRDFR RELEERERAA AREKNRDRPT REHTTSSSV SKKPRLDQIP AANLDADDPL TDEEDEDFEE ESDDDDTAAL LAELEKIKKE RAEEQARKEQ EQKAEEERIR M ENILSGNP ...String:
MTTAARPTFE PARGGRGKGE GDLSQLSKQY SSRDLPSHTK IKYRQTTQDA PEEVRNRDFR RELEERERAA AREKNRDRPT REHTTSSSV SKKPRLDQIP AANLDADDPL TDEEDEDFEE ESDDDDTAAL LAELEKIKKE RAEEQARKEQ EQKAEEERIR M ENILSGNP LLNLTGPSQP QANFKVKRRW DDDVVFKNCA KGVDDQKKDK RFVNDTLRSE FHKKFMEKYI K

UniProtKB: Spliceosome-associated protein CWC15 homolog

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Macromolecule #12: SNW domain-containing protein 1

MacromoleculeName: SNW domain-containing protein 1 / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 61.770648 KDa
SequenceString: MALTSFLPAP TQLSQDQLEA EEKARSQRSR QTSLVSSRRE PPPYGYRKGW IPRLLEDFGD GGAFPEIHVA QYPLDMGRKK KMSNALAIQ VDSEGKIKYD AIARQGQSKD KVIYSKYTDL VPKEVMNADD PDLQRPDEEA IKEITEKTRV ALEKSVSQKV A AAMPVRAA ...String:
MALTSFLPAP TQLSQDQLEA EEKARSQRSR QTSLVSSRRE PPPYGYRKGW IPRLLEDFGD GGAFPEIHVA QYPLDMGRKK KMSNALAIQ VDSEGKIKYD AIARQGQSKD KVIYSKYTDL VPKEVMNADD PDLQRPDEEA IKEITEKTRV ALEKSVSQKV A AAMPVRAA DKLAPAQYIR YTPSQQGVAF NSGAKQRVIR MVEMQKDPME PPRFKINKKI PRGPP(SEP)PPAP VMH(SEP) PSRKM TVKEQQEWKI PPCISNWKNA KGYTIPLDKR LAADGRGLQT VHINENFAKL AEALYIADRK AREAVEMRAQ VERKM AQKE KEKHEEKLRE MAQKARERRA GIKTHVEKED GEARERDEIR HDRRKERQHD RNLSRAAPDK RSKLQRNENR DISEVI ALG VPNPRTSNEV QYDQRLFNQS KGMDSGFAGG EDEIYNVYDQ AWRGGKDMAQ SIYRPSKNLD KDMYGDDLEA RIKTNRF VP DKEFSGSDRR QRGREGPVQF EEDPFGLDKF LEEAKQHGGS KRPSDSSRPK EHEHEGKKRR KE

UniProtKB: SNW domain-containing protein 1

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Macromolecule #13: Peptidyl-prolyl cis-trans isomerase-like 1

MacromoleculeName: Peptidyl-prolyl cis-trans isomerase-like 1 / type: protein_or_peptide / ID: 13 / Number of copies: 1 / Enantiomer: LEVO / EC number: peptidylprolyl isomerase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 18.257805 KDa
SequenceString:
MAAIPPDSWQ PPNVYLETSM GIIVLELYWK HAPKTCKNFA ELARRGYYNG TKFHRIIKDF MIQGGDPTGT GRGGASIYGK QFEDELHPD LKFTGAGILA MANAGPDTNG SQFFVTLAPT QWLDGKHTIF GRVCQGIGMV NRVGMVETNS QDRPVDDVKI I KAYPSG

UniProtKB: Peptidyl-prolyl cis-trans isomerase-like 1

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Macromolecule #14: Pleiotropic regulator 1

MacromoleculeName: Pleiotropic regulator 1 / type: protein_or_peptide / ID: 14 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 57.280758 KDa
SequenceString: MVEEVQKHSV HTLVFRSLKR THDMFVADNG KPVPLDEESH KRKMAIKLRN EYGPVLHMPT SKENLKEKGP QNATDSYVHK QYPANQGQE VEYFVAGTHP YPPGPGVALT ADTKIQRMPS ESAAQSLAVA LPLQTKADAN RTAPSGSEYR HPGASDRPQP T AMNSIVME ...String:
MVEEVQKHSV HTLVFRSLKR THDMFVADNG KPVPLDEESH KRKMAIKLRN EYGPVLHMPT SKENLKEKGP QNATDSYVHK QYPANQGQE VEYFVAGTHP YPPGPGVALT ADTKIQRMPS ESAAQSLAVA LPLQTKADAN RTAPSGSEYR HPGASDRPQP T AMNSIVME TGNTKNSALM AKKAPTMPKP QWHPPWKLYR VISGHLGWVR CIAVEPGNQW FVTGSADRTI KIWDLASGKL KL SLTGHIS TVRGVIVSTR SPYLFSCGED KQVKCWDLEY NKVIRHYHGH LSAVYGLDLH PTIDVLVTCS RDSTARIWDV RTK ASVHTL SGHTNAVATV RCQAAEPQII TGSHDTTIRL WDLVAGKTRV TLTNHKKSVR AVVLHPRHYT FASGSPDNIK QWKF PDGSF IQNLSGHNAI INTLTVNSDG VLVSGADNGT MHLWDWRTGY NFQRVHAAVQ PGSLDSESGI FACAFDQSES RLLTA EADK TIKVYREDDT ATEETHPVSW KPEIIKRKRF

UniProtKB: Pleiotropic regulator 1

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Macromolecule #15: Pre-mRNA-processing factor 17

MacromoleculeName: Pre-mRNA-processing factor 17 / type: protein_or_peptide / ID: 15 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 65.61218 KDa
SequenceString: MSAAIAALAA SYGSGSGSES DSDSESSRCP LPAADSLMHL TKSPSSKPSL AVAVDSAPEV AVKEDLETGV HLDPAVKEVQ YNPTYETMF APEFGPENPF RTQQMAAPRN MLSGYAEPAH INDFMFEQQR RTFATYGYAL DPSLDNHQVS AKYIGSVEEA E KNQGLTVF ...String:
MSAAIAALAA SYGSGSGSES DSDSESSRCP LPAADSLMHL TKSPSSKPSL AVAVDSAPEV AVKEDLETGV HLDPAVKEVQ YNPTYETMF APEFGPENPF RTQQMAAPRN MLSGYAEPAH INDFMFEQQR RTFATYGYAL DPSLDNHQVS AKYIGSVEEA E KNQGLTVF ETGQKKTEKR KKFKENDASN IDGFLGPWAK YVDEKDVAKP SEEEQKELDE ITAKRQKKGK QEEEKPGEEK TI LHVKEMY DYQGRSYLHI PQDVGVNLRS TMPPEKCYLP KKQIHVWSGH TKGVSAVRLF PLSGHLLLSC SMDCKIKLWE VYG ERRCLR TFIGHSKAVR DICFNTAGTQ FLSAAYDRYL KLWDTETGQC ISRFTNRKVP YCVKFNPDED KQNLFVAGMS DKKI VQWDI RSGEIVQEYD RHLGAVNTIV FVDENRRFVS TSDDKSLRVW EWDIPVDFKY IAEPSMHSMP AVTLSPNGKW LACQS MDNQ ILIFGAQNRF RLNKKKIFKG HMVAGYACQV DFSPDMSYVI SGDGNGKLNI WDWKTTKLYS RFKAHDKVCI GAVWHP HET SKVITCGWDG LIKLWD

UniProtKB: Pre-mRNA-processing factor 17

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Macromolecule #18: CWF19-like protein 2

MacromoleculeName: CWF19-like protein 2 / type: protein_or_peptide / ID: 18 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 103.976492 KDa
SequenceString: MATSMAAASG RFESAKSIEE RKEQTRNARA EVLRQAKANF EKEERRKELK RLRGEDTWML PDVNERIEQF SQEHSVKKKK KKDKHSKKA KKEKKKKSKK QKYEKNNESS DSSSSSEDEW VEAVPSQTPD KEKAWKVKDE KSGKDDTQII KRDEWMTVDF M SVKTVSSS ...String:
MATSMAAASG RFESAKSIEE RKEQTRNARA EVLRQAKANF EKEERRKELK RLRGEDTWML PDVNERIEQF SQEHSVKKKK KKDKHSKKA KKEKKKKSKK QKYEKNNESS DSSSSSEDEW VEAVPSQTPD KEKAWKVKDE KSGKDDTQII KRDEWMTVDF M SVKTVSSS SLKAEKETMR KIEQEKNQAL EQSKLMEREL NPYWKDGGTG LPPEDCSVSS ITKVSVVEDG GLSWLRKSYL RM KEQAEKQ SRNFEDIVAE RYGSMEIFQS KLEDAEKAAS TKEDYRRERW RKPTYSDKAQ NCQESRESDL VKYGNSSRDR YAT TDTAKN SNNEKFIGDE KDKRPGSLET CRRESNPRQN QEFSFGNLRA KFLRPSDDEE LSFHSKGRKF EPLSSSSALV AQGS LCSGF RKPTKNSEER LTSWSRSDGR GDKKHSNQKP SETSTDEHQH VPEDPREKSQ DEVLRDDPPK KEHLRDTKST FAGSP ERES IHILSVDEKN KLGAKIIKAE MMGNMELAEQ LKVQLEKANK FKETITQIPK KSGVENEDQQ EVILVRTDQS GRVWPV NTP GKSLESQGGR RKRQMVSTHE ERERVRYFHD DDNLSLNDLV KNEKMGTAEN QNKLFMRMAS KFMGKTDGDY YTLDDMF VS KAAERERLGE EEENQRKKAI AEHRSLAAQM EKCLYCFDSS QFPKHLIVAI GVKVYLCLPN VRSLTEGHCL IVPLQHHR A ATLLDEDIWE EIQMFRKSLV KMFEDKGLDC IFLETNMSMK KQYHMVYECI PLPKEVGDMA PIYFKKAIME SDEEWSMNK KLIDLSSKDI RKSVPRGLPY FSVDFGLHGG FAHVIEDQHK FPHYFGKEII GGMLDIEPRL WRKGIRESFE DQRKKALQFA QWWKPYDFT KSKNY

UniProtKB: CWF19-like protein 2

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Macromolecule #19: Pre-mRNA-splicing factor SYF1

MacromoleculeName: Pre-mRNA-splicing factor SYF1 / type: protein_or_peptide / ID: 19 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 100.148711 KDa
SequenceString: MVVMARLSRP ERPDLVFEEE DLPYEEEIMR NQFSVKCWLR YIEFKQGAPK PRLNQLYERA LKLLPCSYKL WYRYLKARRA QVKHRCVTD PAYEDVNNCH ERAFVFMHKM PRLWLDYCQF LMDQGRVTHT RRTFDRALRA LPITQHSRIW PLYLRFLRSH P LPETAVRG ...String:
MVVMARLSRP ERPDLVFEEE DLPYEEEIMR NQFSVKCWLR YIEFKQGAPK PRLNQLYERA LKLLPCSYKL WYRYLKARRA QVKHRCVTD PAYEDVNNCH ERAFVFMHKM PRLWLDYCQF LMDQGRVTHT RRTFDRALRA LPITQHSRIW PLYLRFLRSH P LPETAVRG YRRFLKLSPE SAEEYIEYLK SSDRLDEAAQ RLATVVNDER FVSKAGKSNY QLWHELCDLI SQNPDKVQSL NV DAIIRGG LTRFTDQLGK LWCSLADYYI RSGHFEKARD VYEEAIRTVM TVRDFTQVFD SYAQFEESMI AAKMETASEL GRE EEDDVD LELRLARFEQ LISRRPLLLN SVLLRQNPHH VHEWHKRVAL HQGRPREIIN TYTEAVQTVD PFKATGKPHT LWVA FAKFY EDNGQLDDAR VILEKATKVN FKQVDDLASV WCQCGELELR HENYDEALRL LRKATALPAR RAEYFDGSEP VQNRV YKSL KVWSMLADLE ESLGTFQSTK AVYDRILDLR IATPQIVINY AMFLEEHKYF EESFKAYERG ISLFKWPNVS DIWSTY LTK FIARYGGRKL ERARDLFEQA LDGCPPKYAK TLYLLYAQLE EEWGLARHAM AVYERATRAV EPAQQYDMFN IYIKRAA EI YGVTHTRGIY QKAIEVLSDE HAREMCLRFA DMECKLGEID RARAIYSFCS QICDPRTTGA FWQTWKDFEV RHGNEDTI K EMLRIRRSVQ ATYNTQVNFM ASQMLKVSGS ATGTVSDLAP GQSGMDDMKL LEQRAEQLAA EAERDQPLRA QSKILFVRS DASREELAEL AQQVNPEEIQ LGEDEDEDEM DLEPNEVRLE QQSVPAAVFG SLKED

UniProtKB: Pre-mRNA-splicing factor SYF1

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Macromolecule #20: Small nuclear ribonucleoprotein Sm D3

MacromoleculeName: Small nuclear ribonucleoprotein Sm D3 / type: protein_or_peptide / ID: 20 / Number of copies: 2 / 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 #21: Small nuclear ribonucleoprotein-associated protein

MacromoleculeName: Small nuclear ribonucleoprotein-associated protein / type: protein_or_peptide / ID: 21 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.686004 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 GLL

UniProtKB: Small nuclear ribonucleoprotein-associated protein

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Macromolecule #22: Small nuclear ribonucleoprotein Sm D1

MacromoleculeName: Small nuclear ribonucleoprotein Sm D1 / type: protein_or_peptide / ID: 22 / Number of copies: 2 / 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 #23: Small nuclear ribonucleoprotein Sm D2

MacromoleculeName: Small nuclear ribonucleoprotein Sm D2 / type: protein_or_peptide / ID: 23 / Number of copies: 2 / 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 #24: Small nuclear ribonucleoprotein F

MacromoleculeName: Small nuclear ribonucleoprotein F / type: protein_or_peptide / ID: 24 / Number of copies: 2 / 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 #25: Small nuclear ribonucleoprotein E

MacromoleculeName: Small nuclear ribonucleoprotein E / type: protein_or_peptide / ID: 25 / Number of copies: 2 / 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 #26: Small nuclear ribonucleoprotein G

MacromoleculeName: Small nuclear ribonucleoprotein G / type: protein_or_peptide / ID: 26 / Number of copies: 2 / 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 #27: Pre-mRNA-processing factor 19

MacromoleculeName: Pre-mRNA-processing factor 19 / type: protein_or_peptide / ID: 27 / Number of copies: 4 / Enantiomer: LEVO / EC number: RING-type E3 ubiquitin transferase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 55.245547 KDa
SequenceString: MSLICSISNE VPEHPCVSPV SNHVYERRLI EKYIAENGTD PINNQPLSEE QLIDIKVAHP IRPKPPSATS IPAILKALQD EWDAVMLHS FTLRQQLQTT RQELSHALYQ HDAACRVIAR LTKEVTAARE ALATLKPQAG LIVPQAVPSS QPSVVGAGEP M DLGELVGM ...String:
MSLICSISNE VPEHPCVSPV SNHVYERRLI EKYIAENGTD PINNQPLSEE QLIDIKVAHP IRPKPPSATS IPAILKALQD EWDAVMLHS FTLRQQLQTT RQELSHALYQ HDAACRVIAR LTKEVTAARE ALATLKPQAG LIVPQAVPSS QPSVVGAGEP M DLGELVGM TPEIIQKLQD KATVLTTERK KRGKTVPEEL VKPEELSKYR QVASHVGLHS ASIPGILALD LCPSDTNKIL TG GADKNVV VFDKSSEQIL ATLKGHTKKV TSVVFHPSQD LVFSASPDAT IRIWSVPNAS CVQVVRAHES AVTGLSLHAT GDY LLSSSD DQYWAFSDIQ TGRVLTKVTD ETSGCSLTCA QFHPDGLIFG TGTMDSQIKI WDLKERTNVA NFPGHSGPIT SIAF SENGY YLATAADDSS VKLWDLRKLK NFKTLQLDNN FEVKSLIFDQ SGTYLALGGT DVQIYICKQW TEILHFTEHS GLTTG VAFG HHAKFIASTG MDRSLKFYSL

UniProtKB: Pre-mRNA-processing factor 19

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Macromolecule #28: Pre-mRNA-splicing factor SPF27

MacromoleculeName: Pre-mRNA-splicing factor SPF27 / type: protein_or_peptide / ID: 28 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 26.16342 KDa
SequenceString: MAGTGLVAGE VVVDALPYFD QGYEAPGVRE AAAALVEEET RRYRPTKNYL SYLTAPDYSA FETDIMRNEF ERLAARQPIE LLSMKRYEL PAPSSGQKND ITAWQECVNN SMAQLEHQAV RIENLELMSQ HGCNAWKVYN ENLVHMIEHA QKELQKLRKH I QDLNWQRK ...String:
MAGTGLVAGE VVVDALPYFD QGYEAPGVRE AAAALVEEET RRYRPTKNYL SYLTAPDYSA FETDIMRNEF ERLAARQPIE LLSMKRYEL PAPSSGQKND ITAWQECVNN SMAQLEHQAV RIENLELMSQ HGCNAWKVYN ENLVHMIEHA QKELQKLRKH I QDLNWQRK NMQLTAGSKL REMESNWVSL VSKNYEIERT IVQLENEIYQ IKQQHGEANK ENIRQDF

UniProtKB: Pre-mRNA-splicing factor SPF27

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Macromolecule #29: U2 small nuclear ribonucleoprotein A'

MacromoleculeName: U2 small nuclear ribonucleoprotein A' / type: protein_or_peptide / ID: 29 / 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 #30: U2 small nuclear ribonucleoprotein B''

MacromoleculeName: U2 small nuclear ribonucleoprotein B'' / type: protein_or_peptide / ID: 30 / 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''

+
Macromolecule #31: RNA helicase aquarius

MacromoleculeName: RNA helicase aquarius / type: protein_or_peptide / ID: 31 / Number of copies: 1 / Enantiomer: LEVO / EC number: RNA helicase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 171.502453 KDa
SequenceString: MAAPAQPKKI VAPTVSQINA EFVTQLACKY WAPHIKKKSP FDIKVIEDIY EKEIVKSRFA IRKIMLLEFS QYLENYLWMN YSPEVSSKA YLMSICCMVN EKFRENVPAW EIFKKKPDHF PFFFKHILKA ALAETDGEFS LHEQTVLLLF LDHCFNSLEV D LIRSQVQQ ...String:
MAAPAQPKKI VAPTVSQINA EFVTQLACKY WAPHIKKKSP FDIKVIEDIY EKEIVKSRFA IRKIMLLEFS QYLENYLWMN YSPEVSSKA YLMSICCMVN EKFRENVPAW EIFKKKPDHF PFFFKHILKA ALAETDGEFS LHEQTVLLLF LDHCFNSLEV D LIRSQVQQ LISLPMWMGL QLARLELELK KTPKLRKFWN LIKKNDEKMD PEAREQAYQE RRFLSQLIQK FISVLKSVPL SE PVTMDKV HYCERFIELM IDLEALLPTR RWFNTILDDS HLLVHCYLSN LVRREEDGHL FSQLLDMLKF YTGFEINDQT GNA LTENEM TTIHYDRITS LQRAAFAHFP ELYDFALSNV AEVDTRESLV KFFGPLSSNT LHQVASYLCL LPTLPKNEDT TFDK EFLLE LLVSRHERRI SQIQQLNQMP LYPTEKIIWD ENIVPTEYYS GEGCLALPKL NLQFLTLHDY LLRNFNLFRL ESTYE IRQD IEDSVSRMKP WQSEYGGVVF GGWARMAQPI VAFTVVEVAK PNIGENWPTR VRADVTINLN VRDHIKDEWE GLRKHD VCF LITVRPTKPY GTKFDRRRPF IEQVGLVYVR GCEIQGMLDD KGRVIEDGPE PRPNLRGESR TFRVFLDPNQ YQQDMTN TI QNGAEDVYET FNIIMRRKPK ENNFKAVLET IRNLMNTDCV VPDWLHDIIL GYGDPSSAHY SKMPNQIATL DFNDTFLS I EHLKASFPGH NVKVTVEDPA LQIPPFRITF PVRSGKGKKR KDADVEDEDT EEAKTLIVEP HVIPNRGPYP YNQPKRNTI QFTHTQIEAI RAGMQPGLTM VVGPPGTGKT DVAVQIISNI YHNFPEQRTL IVTHSNQALN QLFEKIMALD IDERHLLRLG HGEEELETE KDFSRYGRVN YVLARRIELL EEVKRLQKSL GVPGDASYTC ETAGYFFLYQ VMSRWEEYIS KVKNKGSTLP D VTEVSTFF PFHEYFANAP QPIFKGRSYE EDMEIAEGCF RHIKKIFTQL EEFRASELLR SGLDRSKYLL VKEAKIIAMT CT HAALKRH DLVKLGFKYD NILMEEAAQI LEIETFIPLL LQNPQDGFSR LKRWIMIGDH HQLPPVIKNM AFQKYSNMEQ SLF TRFVRV GVPTVDLDAQ GRARASLCNL YNWRYKNLGN LPHVQLLPEF STANAGLLYD FQLINVEDFQ GVGESEPNPY FYQN LGEAE YVVALFMYMC LLGYPADKIS ILTTYNGQKH LIRDIINRRC GNNPLIGRPN KVTTVDRFQG QQNDYILLSL VRTRA VGHL RDVRRLVVAM SRARLGLYIF ARVSLFQNCF ELTPAFSQLT ARPLHLHIIP TEPFPTTRKN GERPSHEVQI IKNMPQ MAN FVYNMYMHLI QTTHHYHQTL LQLPPAMVEE GEEVQNQETE LETEEEAMTV QADIIPSPTD TSCRQETPAF QTDTTPS ET GATSTPEAIP ALSETTPTVV GAVSAPAEAN TPQDATSAPE ETK

UniProtKB: RNA helicase aquarius

+
Macromolecule #32: Peptidyl-prolyl cis-trans isomerase E

MacromoleculeName: Peptidyl-prolyl cis-trans isomerase E / type: protein_or_peptide / ID: 32 / Number of copies: 1 / Enantiomer: LEVO / EC number: peptidylprolyl isomerase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 33.475773 KDa
SequenceString: MATTKRVLYV GGLAEEVDDK VLHAAFIPFG DITDIQIPLD YETEKHRGFA FVEFELAEDA AAAIDNMNES ELFGRTIRVN LAKPMRIKE GSSRPVWSDD DWLKKFSGKT LEENKEEEGS EPPKAETQEG EPIAKKARSN PQVYMDIKIG NKPAGRIQML L RSDVVPMT ...String:
MATTKRVLYV GGLAEEVDDK VLHAAFIPFG DITDIQIPLD YETEKHRGFA FVEFELAEDA AAAIDNMNES ELFGRTIRVN LAKPMRIKE GSSRPVWSDD DWLKKFSGKT LEENKEEEGS EPPKAETQEG EPIAKKARSN PQVYMDIKIG NKPAGRIQML L RSDVVPMT AENFRCLCTH EKGFGFKGSS FHRIIPQFMC QGGDFTNHNG TGGKSIYGKK FDDENFILKH TGPGLLSMAN SG PNTNGSQ FFLTCDKTDW LDGKHVVFGE VTEGLDVLRQ IEAQGSKDGK PKQKVIIADC GEYV

UniProtKB: Peptidyl-prolyl cis-trans isomerase E

+
Macromolecule #2: U5snRNA

MacromoleculeName: U5snRNA / type: rna / ID: 2 / 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

+
Macromolecule #5: U6snRNA

MacromoleculeName: U6snRNA / type: rna / ID: 5 / Number of copies: 1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 34.404438 KDa
SequenceString:
GUGCUCGCUU CGGCAGCACA UAUACUAAAA UUGGAACGAU ACAGAGAAGA UUAGCAUGGC CCCUGCGCAA GGAUGACACG CAAAUUCGU GAAGCGUUCC AUAUUUUU

+
Macromolecule #16: pre-mRNA

MacromoleculeName: pre-mRNA / type: rna / ID: 16 / Number of copies: 1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 87.186328 KDa
SequenceString: GAAUACACGG AAUUCGAGCU CGCCCACUCU UGGAUCGGAA ACCCGUCGGC CUCCGAACGG UAAGAGCCUA GCAUGUAGAA CUGGUUACC UGCAGCCCAA GCUUGCGUAC ACCAUCAGGG UACGUACUAG UACGUACACC AUCAGGGUAC GGCUGCACGU C UAGGGCGC ...String:
GAAUACACGG AAUUCGAGCU CGCCCACUCU UGGAUCGGAA ACCCGUCGGC CUCCGAACGG UAAGAGCCUA GCAUGUAGAA CUGGUUACC UGCAGCCCAA GCUUGCGUAC ACCAUCAGGG UACGUACUAG UACGUACACC AUCAGGGUAC GGCUGCACGU C UAGGGCGC AGUAGUCCAG GGUUUCCUUG AUGAUGUCAU ACUUAUCCUG UCCCUUUUUU UUCCACAGCU CGCGGUUGAG GA CAAACUC UUCGCGGUCU UUCCAGUGGG GAUCC

+
Macromolecule #17: U2snRNA

MacromoleculeName: U2snRNA / type: rna / ID: 17 / 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: K02227.1

+
Macromolecule #33: INOSITOL HEXAKISPHOSPHATE

MacromoleculeName: INOSITOL HEXAKISPHOSPHATE / type: ligand / ID: 33 / Number of copies: 1 / Formula: IHP
Molecular weightTheoretical: 660.035 Da
Chemical component information

ChemComp-IHP:
INOSITOL HEXAKISPHOSPHATE

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Macromolecule #34: GUANOSINE-5'-TRIPHOSPHATE

MacromoleculeName: GUANOSINE-5'-TRIPHOSPHATE / type: ligand / ID: 34 / Number of copies: 1 / Formula: GTP
Molecular weightTheoretical: 523.18 Da
Chemical component information

ChemComp-GTP:
GUANOSINE-5'-TRIPHOSPHATE / GTP, energy-carrying molecule*YM

+
Macromolecule #35: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 35 / Number of copies: 7 / Formula: MG
Molecular weightTheoretical: 24.305 Da

+
Macromolecule #36: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 36 / Number of copies: 7 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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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

-
Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 SUMMIT (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
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

-
Image processing

Startup modelType of model: PDB ENTRY
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 390072
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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