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- EMDB-32074: The cryo-EM structure of the human pre-A complex -

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Basic information

Entry
Database: EMDB / ID: EMD-32074
TitleThe cryo-EM structure of the human pre-A complex
Map dataThe cryo-EM map for the U2 part of human pre-A complex
Sample
  • Complex: human pre-A complex
    • Complex: human pre-A
      • Protein or peptide: x 24 types
      • RNA: x 4 types
    • Complex: pre-mRNA, 5SS
  • Ligand: x 2 types
Keywordshuman spliceosome / pre-A complex / PRP5 / A complex / U1 snRNP / U2 snRNP / SPLICING
Function / homology
Function and homology information


negative regulation of protein refolding / U2AF complex / U11/U12 snRNP / regulation of ATP-dependent activity / U2 snRNP binding / U7 snRNA binding / histone pre-mRNA DCP binding / U7 snRNP / histone pre-mRNA 3'end processing complex / SLBP independent Processing of Histone Pre-mRNAs ...negative regulation of protein refolding / U2AF complex / U11/U12 snRNP / regulation of ATP-dependent activity / U2 snRNP binding / U7 snRNA binding / histone pre-mRNA DCP binding / U7 snRNP / histone pre-mRNA 3'end processing complex / SLBP independent Processing of Histone Pre-mRNAs / SLBP Dependent Processing of Replication-Dependent Histone Pre-mRNAs / B-WICH complex / protein methylation / U12-type spliceosomal complex / 7-methylguanosine cap hypermethylation / RNA splicing, via transesterification reactions / U1 snRNP binding / methylosome / regulation of mRNA splicing, via spliceosome / pICln-Sm protein complex / positive regulation of mRNA splicing, via spliceosome / snRNP binding / small nuclear ribonucleoprotein complex / splicing factor binding / SMN-Sm protein complex / P granule / spliceosomal tri-snRNP complex / U2-type precatalytic spliceosome / U2-type spliceosomal complex / telomerase RNA binding / telomerase holoenzyme complex / commitment complex / mRNA cis splicing, via spliceosome / U2-type prespliceosome assembly / negative regulation of chaperone-mediated autophagy / U2-type catalytic step 2 spliceosome / SAGA complex / U4 snRNP / U2 snRNP / RNA Polymerase II Transcription Termination / U1 snRNP / U2-type prespliceosome / positive regulation of transcription by RNA polymerase III / pre-mRNA 5'-splice site binding / precatalytic spliceosome / spliceosomal complex assembly / positive regulation of transcription by RNA polymerase I / regulation of RNA splicing / mRNA 5'-splice site recognition / mRNA Splicing - Minor Pathway / mRNA 3'-splice site recognition / U5 snRNP / U2 snRNA binding / spliceosomal snRNP assembly / cellular response to transforming growth factor beta stimulus / Cajal body / U1 snRNA binding / regulation of DNA repair / intercellular bridge / U4/U6 x U5 tri-snRNP complex / cellular response to retinoic acid / catalytic step 2 spliceosome / Hsp70 protein binding / Gene and protein expression by JAK-STAT signaling after Interleukin-12 stimulation / mRNA Splicing - Major Pathway / RNA splicing / stem cell differentiation / spliceosomal complex / negative regulation of smooth muscle cell proliferation / negative regulation of protein catabolic process / mRNA splicing, via spliceosome / positive regulation of neuron projection development / B-WICH complex positively regulates rRNA expression / nuclear matrix / cytoplasmic ribonucleoprotein granule / fibrillar center / mRNA processing / transcription corepressor activity / cellular response to tumor necrosis factor / snRNP Assembly / spermatogenesis / SARS-CoV-2 modulates host translation machinery / single-stranded RNA binding / RNA helicase activity / nuclear speck / nuclear body / RNA helicase / ribosome / chromatin remodeling / mRNA binding / protein-containing complex binding / positive regulation of DNA-templated transcription / nucleolus / enzyme binding / protein homodimerization activity / positive regulation of transcription by RNA polymerase II / ATP hydrolysis activity / DNA binding / RNA binding / extracellular exosome
Similarity search - Function
DnaJ homolog subfamily C member 8 / Splicing factor 1, helix-hairpin domain / : / Splicing factor 1 helix-hairpin domain / snRNP70, RNA recognition motif / : / KH-domain / U1 small nuclear ribonucleoprotein C / : / KHDC4/BBP-like, KH-domain type I ...DnaJ homolog subfamily C member 8 / Splicing factor 1, helix-hairpin domain / : / Splicing factor 1 helix-hairpin domain / snRNP70, RNA recognition motif / : / KH-domain / U1 small nuclear ribonucleoprotein C / : / KHDC4/BBP-like, KH-domain type I / KH domain-containing BBP-like / U1 small nuclear ribonucleoprotein of 70kDa N-terminal / U1 small nuclear ribonucleoprotein of 70kDa MW N terminal / : / U1-C, C2H2-type zinc finger / U1 zinc finger / SF3B4, RNA recognition motif 2 / Splicing factor SF3a60 binding domain / Splicing factor SF3a60 binding domain / Cactus-binding C-terminus of cactin protein / Splicing factor 3A subunit 1, ubiquitin domain / : / Replication stress response SDE2 C-terminal / SF3A2 domain / : / 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 / U1 small nuclear ribonucleoprotein A, RNA recognition motif 2 / : / U1 small nuclear ribonucleoprotein A, 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 / U2 small nuclear ribonucleoprotein A' / Small nuclear ribonucleoprotein D1 / U2A'/phosphoprotein 32 family A, C-terminal / occurring C-terminal to leucine-rich repeats / : / PPP2R1A-like HEAT repeat / DnaJ domain / SAP motif profile. / Leucine-rich repeat / SAP domain / Putative DNA-binding (bihelical) motif predicted to be involved in chromosomal organisation / SAP domain / Small nuclear ribonucleoprotein Sm D3 / Small nuclear ribonucleoprotein Sm D2 / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein G / Small nuclear ribonucleoprotein F / Matrin/U1-C-like, C2H2-type zinc finger / U1-like zinc finger / Sm-like protein Lsm7/SmG / Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3 / Sm-like protein Lsm6/SmF / DnaJ molecular chaperone homology domain / dnaJ domain profile. / LSM domain / LSM domain, eukaryotic/archaea-type / snRNP Sm proteins / Chaperone J-domain superfamily / DnaJ domain / Type-1 KH domain profile. / DEAD-box subfamily ATP-dependent helicases signature. / RSE1/DDB1/CPSF1 second beta-propeller / ATP-dependent RNA helicase DEAD-box, conserved site / Cleavage/polyadenylation specificity factor, A subunit, C-terminal / Cleavage/polyadenylation specificity factor, A subunit, N-terminal / : / CPSF A subunit region
Similarity search - Domain/homology
Splicing factor 3B subunit 1 / DnaJ homolog subfamily C member 8 / U2 small nuclear ribonucleoprotein B'' / U1 small nuclear ribonucleoprotein 70 kDa / U1 small nuclear ribonucleoprotein A / U1 small nuclear ribonucleoprotein C / U2 small nuclear ribonucleoprotein A' / Small nuclear ribonucleoprotein-associated proteins B and B' / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein F ...Splicing factor 3B subunit 1 / DnaJ homolog subfamily C member 8 / U2 small nuclear ribonucleoprotein B'' / U1 small nuclear ribonucleoprotein 70 kDa / U1 small nuclear ribonucleoprotein A / U1 small nuclear ribonucleoprotein C / U2 small nuclear ribonucleoprotein A' / Small nuclear ribonucleoprotein-associated proteins B and B' / 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 / Splicing factor 3A subunit 3 / Splicing factor 3B subunit 2 / Splicing factor 3B subunit 3 / Splicing factor 3B subunit 4 / Splicing factor 3A subunit 2 / Splicing factor 3A subunit 1 / Splicing factor 1 / Probable ATP-dependent RNA helicase DDX46 / PHD finger-like domain-containing protein 5A / Splicing factor 3B subunit 5
Similarity search - Component
Biological speciesHomo sapiens (human) / unidentified adenovirus
Methodsingle particle reconstruction / cryo EM / Resolution: 3.0 Å
AuthorsZhang X / Zhan X / Shi Y
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: Nat Struct Mol Biol / Year: 2024
Title: Structural insights into branch site proofreading by human spliceosome.
Authors: Xiaofeng Zhang / Xiechao Zhan / Tong Bian / Fenghua Yang / Pan Li / Yichen Lu / Zhihan Xing / Rongyan Fan / Qiangfeng Cliff Zhang / Yigong Shi /
Abstract: Selection of the pre-mRNA branch site (BS) by the U2 small nuclear ribonucleoprotein (snRNP) is crucial to prespliceosome (A complex) assembly. The RNA helicase PRP5 proofreads BS selection but the ...Selection of the pre-mRNA branch site (BS) by the U2 small nuclear ribonucleoprotein (snRNP) is crucial to prespliceosome (A complex) assembly. The RNA helicase PRP5 proofreads BS selection but the underlying mechanism remains unclear. Here we report the atomic structures of two sequential complexes leading to prespliceosome assembly: human 17S U2 snRNP and a cross-exon pre-A complex. PRP5 is anchored on 17S U2 snRNP mainly through occupation of the RNA path of SF3B1 by an acidic loop of PRP5; the helicase domain of PRP5 associates with U2 snRNA; the BS-interacting stem-loop (BSL) of U2 snRNA is shielded by TAT-SF1, unable to engage the BS. In the pre-A complex, an initial U2-BS duplex is formed; the translocated helicase domain of PRP5 stays with U2 snRNA and the acidic loop still occupies the RNA path. The pre-A conformation is specifically stabilized by the splicing factors SF1, DNAJC8 and SF3A2. Cancer-derived mutations in SF3B1 damage its association with PRP5, compromising BS proofreading. Together, these findings reveal key insights into prespliceosome assembly and BS selection or proofreading by PRP5.
History
DepositionOct 18, 2021-
Header (metadata) releaseMay 3, 2023-
Map releaseMay 3, 2023-
UpdateMay 22, 2024-
Current statusMay 22, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_32074.png

Downloads & links

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Map

FileDownload / File: emd_32074.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationThe cryo-EM map for the U2 part of human pre-A complex
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.09 Å/pix.
x 480 pix.
= 521.76 Å		1.09 Å/pix.
x 480 pix.
= 521.76 Å		1.09 Å/pix.
x 480 pix.
= 521.76 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.087 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.25
Minimum - Maximum-2.0839784 - 3.6842577
Average (Standard dev.)0.00009197158 (±0.042679194)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 521.76 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : human pre-A complex

EntireName: human pre-A complex
Components
  • Complex: human pre-A complex
    • Complex: human pre-A
      • Protein or peptide: Splicing factor 3A subunit 2
      • Protein or peptide: PHD finger-like domain-containing protein 5A
      • Protein or peptide: Splicing factor 1
      • Protein or peptide: DnaJ homolog subfamily C member 8
      • RNA: U2 snRNA
      • Protein or peptide: Splicing factor 3B subunit 1
      • Protein or peptide: Splicing factor 3B subunit 2
      • Protein or peptide: Splicing factor 3B subunit 3
      • Protein or peptide: Splicing factor 3B subunit 4
      • Protein or peptide: Splicing factor 3B subunit 5
      • Protein or peptide: Splicing factor 3A subunit 1
      • Protein or peptide: Splicing factor 3A subunit 3
      • Protein or peptide: Probable ATP-dependent RNA helicase DDX46
      • Protein or peptide: U2 small nuclear ribonucleoprotein A'
      • Protein or peptide: U2 small nuclear ribonucleoprotein B''
      • 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: Small nuclear ribonucleoprotein Sm D3
      • Protein or peptide: Small nuclear ribonucleoprotein-associated proteins B and B'
      • Protein or peptide: Small nuclear ribonucleoprotein Sm D1
      • RNA: pre-mRNA
      • RNA: 5SS
      • RNA: U1 snRNA
      • Protein or peptide: U1 small nuclear ribonucleoprotein 70 kDa
      • Protein or peptide: U1 small nuclear ribonucleoprotein A
      • Protein or peptide: U1 small nuclear ribonucleoprotein C
    • Complex: pre-mRNA, 5SS
  • Ligand: ZINC ION
  • Ligand: spliceostatin A (form II)

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Supramolecule #1: human pre-A complex

SupramoleculeName: human pre-A complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1, #28, #2-#27
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #2: human pre-A

SupramoleculeName: human pre-A / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1, #28, #2-#27
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #3: pre-mRNA, 5SS

SupramoleculeName: pre-mRNA, 5SS / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #22-#23

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Macromolecule #1: Splicing factor 3A subunit 2

MacromoleculeName: Splicing factor 3A subunit 2 / type: protein_or_peptide / ID: 1 / 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 #2: Splicing factor 1

MacromoleculeName: Splicing factor 1 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 68.401742 KDa
SequenceString: MATGANATPL DFPSKKRKRS RWNQDTMEQK TVIPGMPTVI PPGLTREQER AYIVQLQIED LTRKLRTGDL GIPPNPEDRS PSPEPIYNS EGKRLNTREF RTRKKLEEER HNLITEMVAL NPDFKPPADY KPPATRVSDK VMIPQDEYPE INFVGLLIGP R GNTLKNIE ...String:
MATGANATPL DFPSKKRKRS RWNQDTMEQK TVIPGMPTVI PPGLTREQER AYIVQLQIED LTRKLRTGDL GIPPNPEDRS PSPEPIYNS EGKRLNTREF RTRKKLEEER HNLITEMVAL NPDFKPPADY KPPATRVSDK VMIPQDEYPE INFVGLLIGP R GNTLKNIE KECNAKIMIR GKGSVKEGKV GRKDGQMLPG EDEPLHALVT ANTMENVKKA VEQIRNILKQ GIETPEDQND LR KMQLREL ARLNGTLRED DNRILRPWQS SETRSITNTT VCTKCGGAGH IASDCKFQRP GDPQSAQDKA RMDKEYLSLM AEL GEAPVP ASVGSTSGPA TTPLASAPRP AAPANNPPPP SLMSTTQSRP PWMNSGPSES RPYHGMHGGG PGGPGGGPHS FPHP LPSLT GGHGGHPMQH NPNGPPPPWM QPPPPPMNQG PHPPGHHGPP PMDQYLGSTP VGSGVYRLHQ GKGMMPPPPM GMMPP PPPP PSGQPPPPPS GPLPPWQQQQ QQPPPPPPPS SSMASSTPLP WQQNTTTTTT SAGTGSIPPW QQQQAAAAAS PGAPQM QGN PTMVPLPPGV QPPLPPGAPP PPPPPPPGSA GMMYAPPPPP PPPMDPSNFV TMMGMGVAGM PPFGMPPAPP PPPPQN

UniProtKB: Splicing factor 1

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Macromolecule #3: DnaJ homolog subfamily C member 8

MacromoleculeName: DnaJ homolog subfamily C member 8 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 29.900764 KDa
SequenceString: MAASGESGTS GGGGSTEEAF MTFYSEVKQI EKRDSVLTSK NQIERLTRPG SSYFNLNPFE VLQIDPEVTD EEIKKRFRQL SILVHPDKN QDDADRAQKA FEAVDKAYKL LLDQEQKKRA LDVIQAGKEY VEHTVKERKK QLKKEGKPTI VEEDDPELFK Q AVYKQTMK ...String:
MAASGESGTS GGGGSTEEAF MTFYSEVKQI EKRDSVLTSK NQIERLTRPG SSYFNLNPFE VLQIDPEVTD EEIKKRFRQL SILVHPDKN QDDADRAQKA FEAVDKAYKL LLDQEQKKRA LDVIQAGKEY VEHTVKERKK QLKKEGKPTI VEEDDPELFK Q AVYKQTMK LFAELEIKRK EREAKEMHER KRQREEEIEA QEKAKREREW QKNFEESRDG RVDSWRNFQA NTKGKKEKKN RT FLRPPKV KMEQRE

UniProtKB: DnaJ homolog subfamily C member 8

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Macromolecule #5: Splicing factor 3B subunit 1

MacromoleculeName: Splicing factor 3B subunit 1 / type: protein_or_peptide / ID: 5 / 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 #6: Splicing factor 3B subunit 2

MacromoleculeName: Splicing factor 3B subunit 2 / type: protein_or_peptide / ID: 6 / 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 #7: Splicing factor 3B subunit 3

MacromoleculeName: Splicing factor 3B subunit 3 / type: protein_or_peptide / ID: 7 / 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 #8: Splicing factor 3B subunit 4

MacromoleculeName: Splicing factor 3B subunit 4 / type: protein_or_peptide / ID: 8 / 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 #9: Splicing factor 3B subunit 5

MacromoleculeName: Splicing factor 3B subunit 5 / type: protein_or_peptide / ID: 9 / 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 #10: Splicing factor 3A subunit 1

MacromoleculeName: Splicing factor 3A subunit 1 / type: protein_or_peptide / ID: 10 / 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 #11: Splicing factor 3A subunit 3

MacromoleculeName: Splicing factor 3A subunit 3 / type: protein_or_peptide / ID: 11 / 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 #12: Probable ATP-dependent RNA helicase DDX46

MacromoleculeName: Probable ATP-dependent RNA helicase DDX46 / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO / EC number: RNA helicase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 117.576484 KDa
SequenceString: MGRESRHYRK RSASRGRSGS RSRSRSPSDK RSKRGDDRRS RSRDRDRRRE RSRSRDKRRS RSRDRKRLRR SRSRERDRSR ERRRSRSRD RRRSRSRSRG RRSRSSSPGN KSKKTENRSR SKEKTDGGES SKEKKKDKDD KEDEKEKDAG NFDQNKLEEE M RKRKERVE ...String:
MGRESRHYRK RSASRGRSGS RSRSRSPSDK RSKRGDDRRS RSRDRDRRRE RSRSRDKRRS RSRDRKRLRR SRSRERDRSR ERRRSRSRD RRRSRSRSRG RRSRSSSPGN KSKKTENRSR SKEKTDGGES SKEKKKDKDD KEDEKEKDAG NFDQNKLEEE M RKRKERVE KWREEQRKKA MENIGELKKE IEEMKQGKKW SLEDDDDDED DPAEAEKEGN EMEGEELDPL DAYMEEVKEE VK KFNMRSV KGGGGNEKKS GPTVTKVVTV VTTKKAVVDS DKKKGELMEN DQDAMEYSSE EEEVDLQTAL TGYQTKQRKL LEP VDHGKI EYEPFRKNFY VEVPELAKMS QEEVNVFRLE MEGITVKGKG CPKPIKSWVQ CGISMKILNS LKKHGYEKPT PIQT QAIPA IMSGRDLIGI AKTGSGKTIA FLLPMFRHIM DQRSLEEGEG PIAVIMTPTR ELALQITKEC KKFSKTLGLR VVCVY GGTG ISEQIAELKR GAEIIVCTPG RMIDMLAANS GRVTNLRRVT YVVLDEADRM FDMGFEPQVM RIVDNVRPDR QTVMFS ATF PRAMEALARR ILSKPIEVQV GGRSVVCSDV EQQVIVIEEE KKFLKLLELL GHYQESGSVI IFVDKQEHAD GLLKDLM RA SYPCMSLHGG IDQYDRDSII NDFKNGTCKL LVATSVAARG LDVKHLILVV NYSCPNHYED YVHRAGRTGR AGNKGYAY T FITEDQARYA GDIIKALELS GTAVPPDLEK LWSDFKDQQK AEGKIIKKSS GFSGKGFKFD ETEQALANER KKLQKAALG LQDSDDEDAA VDIDEQIESM FNSKKRVKDM AAPGTSSVPA PTAGNAEKLE IAKRLALRIN AQKNLGIESQ DVMQQATNAI LRGGTILAP TVSAKTIAEQ LAEKINAKLN YVPLEKQEEE RQDGGQNESF KRYEEELEIN DFPQTARWKV TSKEALQRIS E YSEAAITI RGTYFPPGKE PKEGERKIYL AIESANELAV QKAKAEITRL IKEELIRLQN SYQPTNKGRY KVL

UniProtKB: Probable ATP-dependent RNA helicase DDX46

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Macromolecule #13: U2 small nuclear ribonucleoprotein A'

MacromoleculeName: U2 small nuclear ribonucleoprotein A' / type: protein_or_peptide / ID: 13 / 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 #14: U2 small nuclear ribonucleoprotein B''

MacromoleculeName: U2 small nuclear ribonucleoprotein B'' / type: protein_or_peptide / ID: 14 / 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 #15: Small nuclear ribonucleoprotein Sm D2

MacromoleculeName: Small nuclear ribonucleoprotein Sm D2 / type: protein_or_peptide / ID: 15 / 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 #16: Small nuclear ribonucleoprotein F

MacromoleculeName: Small nuclear ribonucleoprotein F / type: protein_or_peptide / ID: 16 / 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 #17: Small nuclear ribonucleoprotein E

MacromoleculeName: Small nuclear ribonucleoprotein E / type: protein_or_peptide / ID: 17 / 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 #18: Small nuclear ribonucleoprotein G

MacromoleculeName: Small nuclear ribonucleoprotein G / type: protein_or_peptide / ID: 18 / 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 #19: Small nuclear ribonucleoprotein Sm D3

MacromoleculeName: Small nuclear ribonucleoprotein Sm D3 / type: protein_or_peptide / ID: 19 / 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 #20: Small nuclear ribonucleoprotein-associated proteins B and B'

MacromoleculeName: Small nuclear ribonucleoprotein-associated proteins B and B'
type: protein_or_peptide / ID: 20 / Number of copies: 2 / 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 #21: Small nuclear ribonucleoprotein Sm D1

MacromoleculeName: Small nuclear ribonucleoprotein Sm D1 / type: protein_or_peptide / ID: 21 / 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 #25: U1 small nuclear ribonucleoprotein 70 kDa

MacromoleculeName: U1 small nuclear ribonucleoprotein 70 kDa / type: protein_or_peptide / ID: 25 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 51.683184 KDa
SequenceString: MTQFLPPNLL ALFAPRDPIP YLPPLEKLPH EKHHNQPYCG IAPYIREFED PRDAPPPTRA ETREERMERK RREKIERRQQ EVETELKMW DPHNDPNAQG DAFKTLFVAR VNYDTTESKL RREFEVYGPI KRIHMVYSKR SGKPRGYAFI EYEHERDMHS A YKHADGKK ...String:
MTQFLPPNLL ALFAPRDPIP YLPPLEKLPH EKHHNQPYCG IAPYIREFED PRDAPPPTRA ETREERMERK RREKIERRQQ EVETELKMW DPHNDPNAQG DAFKTLFVAR VNYDTTESKL RREFEVYGPI KRIHMVYSKR SGKPRGYAFI EYEHERDMHS A YKHADGKK IDGRRVLVDV ERGRTVKGWR PRRLGGGLGG TRRGGADVNI RHSGRDDTSR YDERPGPSPL PHRDRDRDRE RE RRERSRE RDKERERRRS RSRDRRRRSR SRDKEERRRS RERSKDKDRD RKRRSSRSRE RARRERERKE ELRGGGGDMA EPS EAGDAP PDDGPPGELG PDGPDGPEEK GRDRDRERRR SHRSERERRR DRDRDRDRDR EHKRGERGSE RGRDEARGGG GGQD NGLEG LGNDSRDMYM ESEGGDGYLA PENGYLMEAA PE

UniProtKB: U1 small nuclear ribonucleoprotein 70 kDa

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Macromolecule #26: U1 small nuclear ribonucleoprotein A

MacromoleculeName: U1 small nuclear ribonucleoprotein A / type: protein_or_peptide / ID: 26 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 31.319533 KDa
SequenceString: MAVPETRPNH TIYINNLNEK IKKDELKKSL YAIFSQFGQI LDILVSRSLK MRGQAFVIFK EVSSATNALR SMQGFPFYDK PMRIQYAKT DSDIIAKMKG TFVERDRKRE KRKPKSQETP ATKKAVQGGG ATPVVGAVQG PVPGMPPMTQ APRIMHHMPG Q PPYMPPPG ...String:
MAVPETRPNH TIYINNLNEK IKKDELKKSL YAIFSQFGQI LDILVSRSLK MRGQAFVIFK EVSSATNALR SMQGFPFYDK PMRIQYAKT DSDIIAKMKG TFVERDRKRE KRKPKSQETP ATKKAVQGGG ATPVVGAVQG PVPGMPPMTQ APRIMHHMPG Q PPYMPPPG MIPPPGLAPG QIPPGAMPPQ QLMPGQMPPA QPLSENPPNH ILFLTNLPEE TNELMLSMLF NQFPGFKEVR LV PGRHDIA FVEFDNEVQA GAARDALQGF KITQNNAMKI SFAKK

UniProtKB: U1 small nuclear ribonucleoprotein A

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Macromolecule #27: U1 small nuclear ribonucleoprotein C

MacromoleculeName: U1 small nuclear ribonucleoprotein C / type: protein_or_peptide / ID: 27 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 17.415727 KDa
SequenceString:
MPKFYCDYCD TYLTHDSPSV RKTHCSGRKH KENVKDYYQK WMEEQAQSLI DKTTAAFQQG KIPPTPFSAP PPAGAMIPPP PSLPGPPRP GMMPAPHMGG PPMMPMMGPP PPGMMPVGPA PGMRPPMGGH MPMMPGPPMM RPPARPMMVP TRPGMTRPDR

UniProtKB: U1 small nuclear ribonucleoprotein C

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Macromolecule #28: PHD finger-like domain-containing protein 5A

MacromoleculeName: PHD finger-like domain-containing protein 5A / type: protein_or_peptide / ID: 28 / 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 #4: U2 snRNA

MacromoleculeName: U2 snRNA / type: rna / ID: 4 / 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

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Macromolecule #22: pre-mRNA

MacromoleculeName: pre-mRNA / type: rna / ID: 22 / Number of copies: 1
Source (natural)Organism: unidentified adenovirus
Molecular weightTheoretical: 83.089961 KDa
SequenceString: GGGAGUGCAG UAGUCCAGGG UUUCCUUGAA GCUUUCAUAC UUAUCCUGUC CCUUUUUUUU CCACAGCUCG CGGUUGAGGA CAAACUCUU CGCGGUCUUU CGAACGGUAA GAGCCUAGCA UGUAGAACCU UGGGAUCCGA AUACGGUACC AUCCGAUAUC C GUACACCA ...String:
GGGAGUGCAG UAGUCCAGGG UUUCCUUGAA GCUUUCAUAC UUAUCCUGUC CCUUUUUUUU CCACAGCUCG CGGUUGAGGA CAAACUCUU CGCGGUCUUU CGAACGGUAA GAGCCUAGCA UGUAGAACCU UGGGAUCCGA AUACGGUACC AUCCGAUAUC C GUACACCA UCAGGGUACG AGCUAGCCCA UGGCGUACAC CAUCAGGGUA CGACUAGUAG AUCUCGUACA CCAUCAGGGU AC GGAAUUC UCUAGAGUCG AG

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Macromolecule #23: 5SS

MacromoleculeName: 5SS / type: rna / ID: 23 / Number of copies: 1
Source (natural)Organism: unidentified adenovirus
Molecular weightTheoretical: 3.256996 KDa
SequenceString:
GGGUGAGUAC

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Macromolecule #24: U1 snRNA

MacromoleculeName: U1 snRNA / type: rna / ID: 24 / Number of copies: 1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 52.69707 KDa
SequenceString:
AUACUUACCU GGCAGGGGAG AUACCAUGAU CACGAAGGUG GUUUUCCCAG GGCGAGGCUU AUCCAUUGCA CUCCGGAUGU GCUGACCCC UGCGAUUUCC CCAAAUGUGG GAAACUCGAC UGCAUAAUUU GUGGUAGUGG GGGACUGCGU UCGCGCUUUC C CCUG

GENBANK: GENBANK: MN296792.1

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Macromolecule #29: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 29 / Number of copies: 6 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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Macromolecule #30: spliceostatin A (form II)

MacromoleculeName: spliceostatin A (form II) / type: ligand / ID: 30 / Number of copies: 1 / Formula: SJT
Molecular weightTheoretical: 523.659 Da
Chemical component information

ChemComp-SJT:
spliceostatin A (form II)

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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: GATAN K3 (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 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: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.0 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 419522
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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About Yorodumi

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News

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Feb 9, 2022. New format data for meta-information of EMDB entries

New format data for meta-information of EMDB entries

  • Version 3 of the EMDB header file is now the official format.
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