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- EMDB-0691: Cryo-EM structure of the yeast B*-b1 complex at an average resolu... -

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Basic information

Entry
Database: EMDB / ID: EMD-0691
TitleCryo-EM structure of the yeast B*-b1 complex at an average resolution of 3.86 angstrom
Map data
Sample
  • Complex: catalytically activated spliceosome B*-b1 complex
    • Protein or peptide: x 27 types
    • RNA: x 4 types
  • Ligand: x 4 types
Keywordsspliceosme / B* complex / branching / snRNP / U snRNA / SPLICING
Function / homology
Function and homology information


post-spliceosomal complex / mRNA branch site recognition / U2-type post-mRNA release spliceosomal complex / cellular bud site selection / post-mRNA release spliceosomal complex / generation of catalytic spliceosome for first transesterification step / cis assembly of pre-catalytic spliceosome / splicing factor binding / U4/U6 snRNP / spliceosome conformational change to release U4 (or U4atac) and U1 (or U11) ...post-spliceosomal complex / mRNA branch site recognition / U2-type post-mRNA release spliceosomal complex / cellular bud site selection / post-mRNA release spliceosomal complex / generation of catalytic spliceosome for first transesterification step / cis assembly of pre-catalytic spliceosome / splicing factor binding / U4/U6 snRNP / spliceosome conformational change to release U4 (or U4atac) and U1 (or U11) / 7-methylguanosine cap hypermethylation / Prp19 complex / pICln-Sm protein complex / snRNP binding / U2-type catalytic step 1 spliceosome / small nuclear ribonucleoprotein complex / pre-mRNA binding / SMN-Sm protein complex / spliceosomal tri-snRNP complex / U2-type spliceosomal complex / mRNA cis splicing, via spliceosome / poly(U) RNA binding / commitment complex / U2-type prespliceosome assembly / U2-type catalytic step 2 spliceosome / U4 snRNP / U2 snRNP / U1 snRNP / U2-type prespliceosome / precatalytic spliceosome / Formation of TC-NER Pre-Incision Complex / generation of catalytic spliceosome for second transesterification step / spliceosomal complex assembly / DNA replication origin binding / mRNA 5'-splice site recognition / Gap-filling DNA repair synthesis and ligation in TC-NER / protein K63-linked ubiquitination / mRNA 3'-splice site recognition / Dual incision in TC-NER / spliceosomal tri-snRNP complex assembly / DNA replication initiation / U5 snRNA binding / positive regulation of cell cycle / U5 snRNP / U2 snRNA binding / U6 snRNA binding / spliceosomal snRNP assembly / pre-mRNA intronic binding / U1 snRNA binding / U4/U6 x U5 tri-snRNP complex / catalytic step 2 spliceosome / nuclear periphery / positive regulation of RNA splicing / spliceosomal complex / RING-type E3 ubiquitin transferase / mRNA splicing, via spliceosome / ubiquitin-protein transferase activity / metallopeptidase activity / ubiquitin protein ligase activity / DNA repair / GTPase activity / mRNA binding / chromatin binding / chromatin / GTP binding / mitochondrion / DNA binding / RNA binding / identical protein binding / nucleus / metal ion binding / cytosol / cytoplasm
Similarity search - Function
cwf21 / Pre-mRNA-splicing factor Isy1 / Pre-mRNA-splicing factor Isy1 superfamily / Isy1-like splicing family / Slt11, RNA recognition motif / Pre-mRNA-splicing factor Cwc2, RNA recognition motif / Torus domain / Torus domain / mRNA splicing factor SYF2 / SYF2 splicing factor ...cwf21 / Pre-mRNA-splicing factor Isy1 / Pre-mRNA-splicing factor Isy1 superfamily / Isy1-like splicing family / Slt11, RNA recognition motif / Pre-mRNA-splicing factor Cwc2, RNA recognition motif / Torus domain / Torus domain / mRNA splicing factor SYF2 / SYF2 splicing factor / Helix hairpin bin domain superfamily / RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain) / : / : / mRNA splicing factor Cwf21 domain / cwf21 domain / Pre-mRNA-processing factor 17 / Pre-mRNA-splicing factor 19 / Pre-mRNA-processing factor 19 / Prp19/Pso4-like / BUD31/G10-related, conserved site / G10 protein signature 1. / G10 protein signature 2. / : / STL11, N-terminal / SKI-interacting protein SKIP, SNW domain / SKI-interacting protein, SKIP / SKIP/SNW domain / Pre-mRNA-splicing factor Cwf15/Cwc15 / Suppressor of forked / Cwf15/Cwc15 cell cycle control protein / Suppressor of forked protein (Suf) / 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 / Initiation factor eIF-4 gamma, MA3 / MA3 domain / MI domain profile. / Domain in DAP-5, eIF4G, MA-3 and other proteins. / Middle domain of eukaryotic initiation factor 4G (eIF4G) / MIF4G-like, type 3 / U-box domain profile. / Modified RING finger domain / U-box domain / U2A'/phosphoprotein 32 family A, C-terminal / occurring C-terminal to leucine-rich repeats / Leucine-rich repeat / Pre-mRNA-splicing factor Syf1-like / 116kDa U5 small nuclear ribonucleoprotein component, N-terminal / 116kDa U5 small nuclear ribonucleoprotein component, C-terminal / Snu114, GTP-binding domain / 116 kDa U5 small nuclear ribonucleoprotein component N-terminus / Small nuclear ribonucleoprotein Sm D3 / : / Small nuclear ribonucleoprotein Sm D2 / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein G / Small nuclear ribonucleoprotein F / Myb-type HTH DNA-binding domain profile. / Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3 / Sm-like protein Lsm7/SmG / Zinc finger, CCCH-type / Zinc finger C3H1-type profile. / Sm-like protein Lsm6/SmF / LSM domain / LSM domain, eukaryotic/archaea-type / snRNP Sm proteins / HAT (Half-A-TPR) repeat / HAT (Half-A-TPR) repeats / Myb domain / Myb-like DNA-binding domain / : / Sm domain profile. / LSM domain superfamily / Translation elongation factor EFG/EF2, domain IV / Elongation factor G, domain IV / Elongation factor G, domain IV / Elongation factor G C-terminus / Elongation factor EFG, domain V-like / Elongation factor G C-terminus / Quinoprotein alcohol dehydrogenase-like superfamily / EF-G domain III/V-like / SANT SWI3, ADA2, N-CoR and TFIIIB'' DNA-binding domains / SANT/Myb domain / PROCT domain / Prp8 RNase domain IV, fingers region / PROCT (NUC072) domain / PRO8NT domain / PROCN domain / Pre-mRNA-processing-splicing factor 8, U6-snRNA-binding / Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding / RNA recognition motif, spliceosomal PrP8 / PRP8 domain IV core / Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding domain superfamily / Prp8 RNase domain IV, palm region
Similarity search - Domain/homology
Pre-mRNA-splicing factor ISY1 / Pre-mRNA-splicing factor BUD31 / Pre-mRNA-processing protein 45 / Pre-mRNA-processing factor 19 / Pre-mRNA-splicing factor 8 / Pre-mRNA-splicing factor SNU114 / Pre-mRNA-splicing factor SLT11 / Small nuclear ribonucleoprotein-associated protein B / Small nuclear ribonucleoprotein G / U2 small nuclear ribonucleoprotein B'' ...Pre-mRNA-splicing factor ISY1 / Pre-mRNA-splicing factor BUD31 / Pre-mRNA-processing protein 45 / Pre-mRNA-processing factor 19 / Pre-mRNA-splicing factor 8 / Pre-mRNA-splicing factor SNU114 / Pre-mRNA-splicing factor SLT11 / Small nuclear ribonucleoprotein-associated protein B / Small nuclear ribonucleoprotein G / U2 small nuclear ribonucleoprotein B'' / Pre-mRNA-processing factor 17 / Small nuclear ribonucleoprotein Sm D3 / Pre-mRNA-splicing factor SYF2 / Pre-mRNA-splicing factor CWC22 / Small nuclear ribonucleoprotein F / Small nuclear ribonucleoprotein Sm D1 / Pre-mRNA-splicing factor CWC21 / Pre-mRNA-splicing factor CEF1 / Pre-mRNA-splicing factor CWC15 / Pre-mRNA-splicing factor SYF1 / Pre-mRNA-splicing factor SNT309 / Small nuclear ribonucleoprotein Sm D2 / U2 small nuclear ribonucleoprotein A' / Pre-mRNA-splicing factor CWC2 / Pre-mRNA-splicing factor CLF1 / Small nuclear ribonucleoprotein E / Pre-mRNA-splicing factor PRP46
Similarity search - Component
Biological speciesSaccharomyces cerevisiae S288C (yeast) / Saccharomyces cerevisiae S288c (yeast)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.86 Å
AuthorsWan R / Bai R
Funding support China, 3 items
OrganizationGrant numberCountry
National Natural Science Foundation of China31430020 China
National Natural Science Foundation of China31621092 China
Ministry of Science and Technology (China)2016YFA0501100 China
CitationJournal: Cell / Year: 2019
Title: Structures of the Catalytically Activated Yeast Spliceosome Reveal the Mechanism of Branching.
Authors: Ruixue Wan / Rui Bai / Chuangye Yan / Jianlin Lei / Yigong Shi /
Abstract: Pre-mRNA splicing is executed by the spliceosome. Structural characterization of the catalytically activated complex (B) is pivotal for understanding the branching reaction. In this study, we ...Pre-mRNA splicing is executed by the spliceosome. Structural characterization of the catalytically activated complex (B) is pivotal for understanding the branching reaction. In this study, we assembled the B complexes on two different pre-mRNAs from Saccharomyces cerevisiae and determined the cryo-EM structures of four distinct B complexes at overall resolutions of 2.9-3.8 Å. The duplex between U2 small nuclear RNA (snRNA) and the branch point sequence (BPS) is discretely away from the 5'-splice site (5'SS) in the three B complexes that are devoid of the step I splicing factors Yju2 and Cwc25. Recruitment of Yju2 into the active site brings the U2/BPS duplex into the vicinity of 5'SS, with the BPS nucleophile positioned 4 Å away from the catalytic metal M2. This analysis reveals the functional mechanism of Yju2 and Cwc25 in branching. These structures on different pre-mRNAs reveal substrate-specific conformations of the spliceosome in a major functional state.
History
DepositionJan 15, 2019-
Header (metadata) releaseApr 10, 2019-
Map releaseApr 24, 2019-
UpdateNov 6, 2024-
Current statusNov 6, 2024Processing site: PDBj / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.028
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by radius
  • Surface level: 0.028
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6j6n
  • Surface level: 0.028
  • Imaged by UCSF Chimera
  • Download
Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_0691.png

Downloads & links

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Map

FileDownload / File: emd_0691.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.33 Å/pix.
x 400 pix.
= 532. Å		1.33 Å/pix.
x 400 pix.
= 532. Å		1.33 Å/pix.
x 400 pix.
= 532. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.33 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.028 / Movie #1: 0.028
Minimum - Maximum-0.09473112 - 0.20922169
Average (Standard dev.)0.0005622156 (±0.0071580354)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions400400400
Spacing400400400
CellA=B=C: 532.0 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.331.331.33
M x/y/z400400400
origin x/y/z0.0000.0000.000
length x/y/z532.000532.000532.000
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS400400400
D min/max/mean-0.0950.2090.001

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Supplemental data

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Sample components

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Entire : catalytically activated spliceosome B*-b1 complex

EntireName: catalytically activated spliceosome B*-b1 complex
Components
  • Complex: catalytically activated spliceosome B*-b1 complex
    • Protein or peptide: Pre-mRNA-splicing factor 8
    • Protein or peptide: Pre-mRNA-splicing factor SNU114
    • Protein or peptide: Pre-mRNA-splicing factor CWC21
    • Protein or peptide: Pre-mRNA-splicing factor PRP46
    • Protein or peptide: Pre-mRNA-processing protein 45
    • Protein or peptide: Pre-mRNA-splicing factor SLT11
    • Protein or peptide: Pre-mRNA-splicing factor CWC2
    • Protein or peptide: Pre-mRNA-splicing factor CWC15
    • Protein or peptide: Pre-mRNA-splicing factor BUD31
    • Protein or peptide: Pre-mRNA-splicing factor CWC22
    • Protein or peptide: Pre-mRNA-splicing factor CEF1
    • Protein or peptide: Pre-mRNA-splicing factor CLF1
    • Protein or peptide: Pre-mRNA-splicing factor SYF2
    • Protein or peptide: Pre-mRNA-processing factor 17
    • Protein or peptide: Pre-mRNA-splicing factor ISY1
    • RNA: UBC4 pre-mRNA
    • RNA: U5 snRNA
    • RNA: U6 snRNA
    • RNA: U2 snRNA
    • Protein or peptide: Pre-mRNA-splicing factor SYF1
    • Protein or peptide: U2 small nuclear ribonucleoprotein B''
    • Protein or peptide: U2 small nuclear ribonucleoprotein A'
    • Protein or peptide: Pre-mRNA-splicing factor SNT309
    • Protein or peptide: Small nuclear ribonucleoprotein E
    • Protein or peptide: Small nuclear ribonucleoprotein Sm D1
    • Protein or peptide: Small nuclear ribonucleoprotein G
    • Protein or peptide: Small nuclear ribonucleoprotein F
    • Protein or peptide: Small nuclear ribonucleoprotein Sm D2
    • Protein or peptide: Small nuclear ribonucleoprotein-associated protein B
    • Protein or peptide: Small nuclear ribonucleoprotein Sm D3
    • Protein or peptide: Pre-mRNA-processing factor 19
  • Ligand: INOSITOL HEXAKISPHOSPHATE
  • Ligand: GUANOSINE-5'-TRIPHOSPHATE
  • Ligand: MAGNESIUM ION
  • Ligand: ZINC ION

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Supramolecule #1: catalytically activated spliceosome B*-b1 complex

SupramoleculeName: catalytically activated spliceosome B*-b1 complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#31
Source (natural)Organism: Saccharomyces cerevisiae S288C (yeast)

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Macromolecule #1: Pre-mRNA-splicing factor 8

MacromoleculeName: Pre-mRNA-splicing factor 8 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 279.867469 KDa
SequenceString: MSGLPPPPPG FEEDSDLALP PPPPPPPGYE IEELDNPMVP SSVNEDTFLP PPPPPPSNFE INAEEIVDFT LPPPPPPPGL DELETKAEK KVELHGKRKL DIGKDTFVTR KSRKRAKKMT KKAKRSNLYT PKAEMPPEHL RKIINTHSDM ASKMYNTDKK A FLGALKYL ...String:
MSGLPPPPPG FEEDSDLALP PPPPPPPGYE IEELDNPMVP SSVNEDTFLP PPPPPPSNFE INAEEIVDFT LPPPPPPPGL DELETKAEK KVELHGKRKL DIGKDTFVTR KSRKRAKKMT KKAKRSNLYT PKAEMPPEHL RKIINTHSDM ASKMYNTDKK A FLGALKYL PHAILKLLEN MPHPWEQAKE VKVLYHTSGA ITFVNETPRV IEPVYTAQWS ATWIAMRREK RDRTHFKRMR FP PFDDDEP PLSYEQHIEN IEPLDPINLP LDSQDDEYVK DWLYDSRPLE EDSKKVNGTS YKKWSFDLPE MSNLYRLSTP LRD EVTDKN YYYLFDKKSF FNGKALNNAI PGGPKFEPLY PREEEEDYNE FNSIDRVIFR VPIRSEYKVA FPHLYNSRPR SVRI PWYNN PVSCIIQNDE EYDTPALFFD PSLNPIPHFI DNNSSLNVSN TKENGDFTLP EDFAPLLAEE EELILPNTKD AMSLY HSPF PFNRTKGKMV RAQDVALAKK WFLQHPDEEY PVKVKVSYQK LLKNYVLNEL HPTLPTNHNK TKLLKSLKNT KYFQQT TID WVEAGLQLCR QGHNMLNLLI HRKGLTYLHL DYNFNLKPTK TLTTKERKKS RLGNSFHLMR ELLKMMKLIV DTHVQFR LG NVDAFQLADG IHYILNHIGQ LTGIYRYKYK VMHQIRACKD LKHIIYYKFN KNLGKGPGCG FWQPAWRVWL NFLRGTIP L LERYIGNLIT RQFEGRSNEI VKTTTKQRLD AYYDLELRNS VMDDILEMMP ESIRQKKART ILQHLSEAWR CWKANIPWD VPGMPAPIKK IIERYIKSKA DAWVSAAHYN RERIKRGAHV EKTMVKKNLG RLTRLWIKNE QERQRQIQKN GPEITPEEAT TIFSVMVEW LESRSFSPIP FPPLTYKNDT KILVLALEDL KDVYASKVRL NASEREELAL IEEAYDNPHD TLNRIKKYLL T QRVFKPVD ITMMENYQNI SPVYSVDPLE KITDAYLDQY LWYEADQRKL FPNWIKPSDS EIPPLLVYKW TQGINNLSEI WD VSRGQSA VLLETTLGEM AEKIDFTLLN RLLRLIVDPN IADYITAKNN VVINFKDMSH VNKYGLIRGL KFASFIFQYY GLV IDLLLL GQERATDLAG PANNPNEFMQ FKSKEVEKAH PIRLYTRYLD RIYMLFHFEE DEGEELTDEY LAENPDPNFE NSIG YNNRK CWPKDSRMRL IRQDVNLGRA VFWEIQSRVP TSLTSIKWEN AFVSVYSKNN PNLLFSMCGF EVRILPRQRM EEVVS NDEG VWDLVDERTK QRTAKAYLKV SEEEIKKFDS RIRGILMASG STTFTKVAAK WNTSLISLFT YFREAIVATE PLLDIL VKG ETRIQNRVKL GLNSKMPTRF PPAVFYTPKE LGGLGMISAS HILIPASDLS WSKQTDTGIT HFRAGMTHED EKLIPTI FR YITTWENEFL DSQRVWAEYA TKRQEAIQQN RRLAFEELEG SWDRGIPRIS TLFQRDRHTL AYDRGHRIRR EFKQYSLE R NSPFWWTNSH HDGKLWNLNA YRTDVIQALG GIETILEHTL FKGTGFNSWE GLFWEKASGF EDSMQFKKLT HAQRTGLSQ IPNRRFTLWW SPTINRANVY VGFLVQLDLT GIFLHGKIPT LKISLIQIFR AHLWQKIHES IVFDICQILD GELDVLQIES VTKETVHPR KSYKMNSSAA DITMESVHEW EVSKPSLLHE TNDSFKGLIT NKMWFDVQLR YGDYDSHDIS RYVRAKFLDY T TDNVSMYP SPTGVMIGID LAYNMYDAYG NWFNGLKPLI QNSMRTIMKA NPALYVLRER IRKGLQIYQS SVQEPFLNSS NY AELFNND IKLFVDDTNV YRVTVHKTFE GNVATKAING CIFTLNPKTG HLFLKIIHTS VWAGQKRLSQ LAKWKTAEEV SAL VRSLPK EEQPKQIIVT RKAMLDPLEV HMLDFPNIAI RPTELRLPFS AAMSIDKLSD VVMKATEPQM VLFNIYDDWL DRIS SYTAF SRLTLLLRAL KTNEESAKMI LLSDPTITIK SYHLWPSFTD EQWITIESQM RDLILTEYGR KYNVNISALT QTEIK DIIL GQNIKAPSVK RQKMAELEAA RSEKQNDEEA AGASTVMKTK TINAQGEEIV VVASADYESQ TFSSKNEWRK SAIANT LLY LRLKNIYVSA DDFVEEQNVY VLPKNLLKKF IEISDVKIQV AAFIYGMSAK DHPKVKEIKT VVLVPQLGHV GSVQISN IP DIGDLPDTEG LELLGWIHTQ TEELKFMAAS EVATHSKLFA DKKRDCIDIS IFSTPGSVSL SAYNLTDEGY QWGEENKD I MNVLSEGFEP TFSTHAQLLL SDRITGNFII PSGNVWNYTF MGTAFNQEGD YNFKYGIPLE FYNEMHRPVH FLQFSELAG DEELEAEQID VFS

UniProtKB: Pre-mRNA-splicing factor 8

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Macromolecule #2: Pre-mRNA-splicing factor SNU114

MacromoleculeName: Pre-mRNA-splicing factor SNU114 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 114.174008 KDa
SequenceString: MEGDDLFDEF GNLIGVDPFD SDEEESVLDE QEQYQTNTFE GSGNNNEIES RQLTSLGSKK ELGISLEHPY GKEVEVLMET KNTQSPQTP LVEPVTERTK LQEHTIFTQL KKNIPKTRYN RDYMLSMANI PERIINVGVI GPLHSGKTSL MDLLVIDSHK R IPDMSKNV ...String:
MEGDDLFDEF GNLIGVDPFD SDEEESVLDE QEQYQTNTFE GSGNNNEIES RQLTSLGSKK ELGISLEHPY GKEVEVLMET KNTQSPQTP LVEPVTERTK LQEHTIFTQL KKNIPKTRYN RDYMLSMANI PERIINVGVI GPLHSGKTSL MDLLVIDSHK R IPDMSKNV ELGWKPLRYL DNLKQEIDRG LSIKLNGSTL LCTDLESKSR MINFLDAPGH VNFMDETAVA LAASDLVLIV ID VVEGVTF VVEQLIKQSI KNNVAMCFVI NKLDRLILDL KLPPMDAYLK LNHIIANINS FTKGNVFSPI DNNIIFASTK LGF TFTIKE FVSYYYAHSI PSSKIDDFTT RLWGSVYYHK GNFRTKPFEN VEKYPTFVEF ILIPLYKIFS YALSMEKDKL KNLL RSNFR VNLSQEALQY DPQPFLKHVL QLIFRQQTGL VDAITRCYQP FELFDNKTAH LSIPGKSTPE GTLWAHVLKT VDYGG AEWS LVRIYSGLLK RGDTVRILDT SQSESRQKRQ LHDISKTETS NEDEDEDDET PSCEVEEIGL LGGRYVYPVH EAHKGQ IVL IKGISSAYIK SATLYSVKSK EDMKQLKFFK PLDYITEAVF KIVLQPLLPR ELPKLLDALN KISKYYPGVI IKVEESG EH VILGNGELYM DCLLYDLRAS YAKIEIKISD PLTVFSESCS NESFASIPVS NSISRLGEEN LPGLSISVAA EPMDSKMI Q DLSRNTLGKG QNCLDIDGIM DNPRKLSKIL RTEYGWDSLA SRNVWSFYNG NVLINDTLPD EISPELLSKY KEQIIQGFY WAVKEGPLAE EPIYGVQYKL LSISVPSDVN IDVMKSQIIP LMKKACYVGL LTAIPILLEP IYEVDITVHA PLLPIVEELM KKRRGSRIY KTIKVAGTPL LEVRGQVPVI ESAGFETDLR LSTNGLGMCQ LYFWHKIWRK VPGDVLDKDA FIPKLKPAPI N SLSRDFVM KTRRRKGIST GGFMSNDGPT LEKYISAELY AQLRENGLVP

UniProtKB: Pre-mRNA-splicing factor SNU114

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Macromolecule #3: Pre-mRNA-splicing factor CWC21

MacromoleculeName: Pre-mRNA-splicing factor CWC21 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 15.793596 KDa
SequenceString:
MSYNGIGLKS AKGSSTSGHV QRSLASNNRR RPQGSQQQRQ QRQNAIKKAS HDKASRPLAV QKQIETHMEK REIEVQVSEL RDRLEEEET LSEEQIDKKC EALRAKLTNE WQEQQRMSSL YTPRKARLTE EQHRHE

UniProtKB: Pre-mRNA-splicing factor CWC21

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Macromolecule #4: Pre-mRNA-splicing factor PRP46

MacromoleculeName: Pre-mRNA-splicing factor PRP46 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 50.771289 KDa
SequenceString: MDGNDHKVEN LGDVDKFYSR IRWNNQFSYM ATLPPHLQSE MEGQKSLLMR YDTYRKESSS FSGEGKKVTL QHVPTDFSEA SQAVISKKD HDTHASAFVN KIFQPEVAEE LIVNRYEKLL SQRPEWHAPW KLSRVINGHL GWVRCVAIDP VDNEWFITGS N DTTMKVWD ...String:
MDGNDHKVEN LGDVDKFYSR IRWNNQFSYM ATLPPHLQSE MEGQKSLLMR YDTYRKESSS FSGEGKKVTL QHVPTDFSEA SQAVISKKD HDTHASAFVN KIFQPEVAEE LIVNRYEKLL SQRPEWHAPW KLSRVINGHL GWVRCVAIDP VDNEWFITGS N DTTMKVWD LATGKLKTTL AGHVMTVRDV AVSDRHPYLF SVSEDKTVKC WDLEKNQIIR DYYGHLSGVR TVSIHPTLDL IA TAGRDSV IKLWDMRTRI PVITLVGHKG PINQVQCTPV DPQVVSSSTD ATVRLWDVVA GKTMKVLTHH KRSVRATALH PKE FSVASA CTDDIRSWGL AEGSLLTNFE SEKTGIINTL SINQDDVLFA GGDNGVLSFY DYKSGHKYQS LATREMVGSL EGER SVLCS TFDKTGLRLI TGEADKSIKI WKQDETATKE SEPGLAWNPN LSAKRF

UniProtKB: Pre-mRNA-splicing factor PRP46

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Macromolecule #5: Pre-mRNA-processing protein 45

MacromoleculeName: Pre-mRNA-processing protein 45 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 42.548727 KDa
SequenceString: MFSNRLPPPK HSQGRVSTAL SSDRVEPAIL TDQIAKNVKL DDFIPKRQSN FELSVPLPTK AEIQECTART KSYIQRLVNA KLANSNNRA SSRYVTETHQ APANLLLNNS HHIEVVSKQM DPLLPRFVGK KARKVVAPTE NDEVVPVLHM DGSNDRGEAD P NEWKIPAA ...String:
MFSNRLPPPK HSQGRVSTAL SSDRVEPAIL TDQIAKNVKL DDFIPKRQSN FELSVPLPTK AEIQECTART KSYIQRLVNA KLANSNNRA SSRYVTETHQ APANLLLNNS HHIEVVSKQM DPLLPRFVGK KARKVVAPTE NDEVVPVLHM DGSNDRGEAD P NEWKIPAA VSNWKNPNGY TVALERRVGK ALDNENNTIN DGFMKLSEAL ENADKKARQE IRSKMELKRL AMEQEMLAKE SK LKELSQR ARYHNGTPQT GAIVKPKKQT STVARLKELA YSQGRDVSEK IILGAAKRSE QPDLQYDSRF FTRGANASAK RHE DQVYDN PLFVQQDIES IYKTNYEKLD EAVNVKSEGA SGSHGPIQFT KAESDDKSDN YGA

UniProtKB: Pre-mRNA-processing protein 45

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Macromolecule #6: Pre-mRNA-splicing factor SLT11

MacromoleculeName: Pre-mRNA-splicing factor SLT11 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 40.98859 KDa
SequenceString: MNDEINEPPP NICEQCLGDE ANIRMTKIPQ GSECKICTLP FTLYHFKTSK RSNNIIKTLI CVRCATQRNI CQCCMLDSRW HIPIQLRDH LISLVNEENV MTEEAKNDMM KRFLSLKNVK LGGAQITSDP SEADNIVDKL KNILLRATSD GPSTPLIKNT T ALYKNEKG ...String:
MNDEINEPPP NICEQCLGDE ANIRMTKIPQ GSECKICTLP FTLYHFKTSK RSNNIIKTLI CVRCATQRNI CQCCMLDSRW HIPIQLRDH LISLVNEENV MTEEAKNDMM KRFLSLKNVK LGGAQITSDP SEADNIVDKL KNILLRATSD GPSTPLIKNT T ALYKNEKG ANEVKNLEKY ASVDISHILK KLPLNESFLK NPSTKSFFLY NIDASIPEWK ITDTVSQLLG IKKWKDGNSL SL IVNHKAK CGGLRFQSSE LGERFVSKIS ETLVTPKGLK RGVLLIDRFR IFIIPWSSGF SAASFGTNTA ENIKLSLSLN KLI QLELGL SFPTKSTDNA KNDKKKTSKK VHKDRSKKSK PRANKLTI

UniProtKB: Pre-mRNA-splicing factor SLT11

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Macromolecule #7: Pre-mRNA-splicing factor CWC2

MacromoleculeName: Pre-mRNA-splicing factor CWC2 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 38.486562 KDa
SequenceString: MTSWRDKSAK VQVKESELPS SIPAQTGLTF NIWYNKWSQG FAGNTRFVSP FALQPQLHSG KTRGDNDGQL FFCLFFAKGM CCLGPKCEY LHHIPDEEDI GKLALRTEVL DCFGREKFAD YREDMGGIGS FRKKNKTLYV GGIDGALNSK HLKPAQIESR I RFVFSRLG ...String:
MTSWRDKSAK VQVKESELPS SIPAQTGLTF NIWYNKWSQG FAGNTRFVSP FALQPQLHSG KTRGDNDGQL FFCLFFAKGM CCLGPKCEY LHHIPDEEDI GKLALRTEVL DCFGREKFAD YREDMGGIGS FRKKNKTLYV GGIDGALNSK HLKPAQIESR I RFVFSRLG DIDRIRYVES KNCGFVKFKY QANAEFAKEA MSNQTLLLPS DKEWDDRREG TGLLVKWANE DPDPAAQKRL QE ELKLESL NMMVHLINNN TNSAGTEVNN KNNERLDRTF PEASVDNVKK RLLPLDNGME SDDFIEKLKK VKKNISRENI SSK PSVGKL GGPLLDYLSS DED

UniProtKB: Pre-mRNA-splicing factor CWC2

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Macromolecule #8: Pre-mRNA-splicing factor CWC15

MacromoleculeName: Pre-mRNA-splicing factor CWC15 / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 19.975195 KDa
SequenceString:
MTTSHRPQLE ARSGAKAAAY TPTGIEHARL LPGHTTLKYR KFKEEENLRA NCAQEDRSND KSLEEAVMNE EKQDVVGSGN LQETRSEKD QKDSLQELLV TQKNKVEDKA ELEGNEQLKG GNSSRRSWRK GTAFGRHKVT KETNIKEHAT KKSASGYIND M TKSEYHQE FLHKHVR

UniProtKB: Pre-mRNA-splicing factor CWC15

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Macromolecule #9: Pre-mRNA-splicing factor BUD31

MacromoleculeName: Pre-mRNA-splicing factor BUD31 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 18.484502 KDa
SequenceString:
MPRIKTRRSK PAPDGFEKIK PTLTDFEIQL RDAQKDKSSK LAAKSNEQLW EIMQLHHQRS RYIYTLYYKR KAISKDLYDW LIKEKYADK LLIAKWRKTG YEKLCCLRCI QKNETNNGST CICRVPRAQL EEEARKKGTQ VSFHQCVHCG CRGCASTD

UniProtKB: Pre-mRNA-splicing factor BUD31

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Macromolecule #10: Pre-mRNA-splicing factor CWC22

MacromoleculeName: Pre-mRNA-splicing factor CWC22 / type: protein_or_peptide / ID: 10 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 67.386062 KDa
SequenceString: MSTATIQDED IKFQRENWEM IRSHVSPIIS NLTMDNLQES HRDLFQVNIL IGRNIICKNV VDFTLNKQNG RLIPALSALI ALLNSDIPD IGETLAKELM LMFVQQFNRK DYVSCGNILQ CLSILFLYDV IHEIVILQIL LLLLEKNSLR LVIAVMKICG W KLALVSKK ...String:
MSTATIQDED IKFQRENWEM IRSHVSPIIS NLTMDNLQES HRDLFQVNIL IGRNIICKNV VDFTLNKQNG RLIPALSALI ALLNSDIPD IGETLAKELM LMFVQQFNRK DYVSCGNILQ CLSILFLYDV IHEIVILQIL LLLLEKNSLR LVIAVMKICG W KLALVSKK THDMIWEKLR YILQTQELSS TLRESLETLF EIRQKDYKSG SQGLFILDPT SYTVHTHSYI VSDEDEANKE LG NFEKCEN FNELTMAFDT LRQKLLINNT SDTNEGSNSQ LQIYDMTSTN DVEFKKKIYL VLKSSLSGDE AAHKLLKLKI ANN LKKSVV DIIIKSSLQE STFSKFYSIL SERMITFHRS WQTAYNETFE QNYTQDIEDY ETDQLRILGK FWGHLISYEF LPMD CLKII KLTEEESCPQ GRIFIKFLFQ ELVNELGLDE LQLRLNSSKL DGMFPLEGDA EHIRYSINFF TAIGLGLLTE DMRSR LTII QEVEDAEEEE KKLREEEELE KLRKKARESQ PTQGPKIHES RLFLQKDTRE NSRSRSPFTV ETRKRARSRT PPRGSR NHR NRSRTPPARR QRHR

UniProtKB: Pre-mRNA-splicing factor CWC22

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Macromolecule #11: Pre-mRNA-splicing factor CEF1

MacromoleculeName: Pre-mRNA-splicing factor CEF1 / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 67.837773 KDa
SequenceString: MPPVPIYVKG GVWTNVEDQI LKAAVQKYGT HQWSKVASLL QKKTARQSEL RWNEYLNPKL NFTEFSKEED AQLLDLAREL PNQWRTIAD MMARPAQVCV ERYNRLLESE DSGGAALSTG VTDLKAGDIN PNAETQMARP DNGDLEDEEK EMLAEARARL L NTQGKKAT ...String:
MPPVPIYVKG GVWTNVEDQI LKAAVQKYGT HQWSKVASLL QKKTARQSEL RWNEYLNPKL NFTEFSKEED AQLLDLAREL PNQWRTIAD MMARPAQVCV ERYNRLLESE DSGGAALSTG VTDLKAGDIN PNAETQMARP DNGDLEDEEK EMLAEARARL L NTQGKKAT RKIRERMLEE SKRIAELQKR RELKQAGINV AIKKPKKKYG TDIDYNEDIV YEQAPMPGIY DTSTEDRQIK KK FEQFERK VNRKGLDGNK DKPSKKNKDK KRKHDENEHV EKAALGESTT LTDEYKKPKL ILSAPGTKQG KVTYKKKLES KRQ KLIEAQ ATGTVLTPKE LLPHDSGQED NERSNIKSGK QLKSRIRKFL VQMFASLPSP KNDFEIVLSE DEKEEDAEIA EYEK EFENE RAMNEEDNFI EPPSQNDAPR VSLVAVPLAY STLPIPEFKN NPQSAIDNKY NLLVANAINK EPHMVPEDTV DFLKE VESR MQHITQGRTS MKIQFKTAMP PTEVLLESIQ SKVESIEQLQ RKLQHVQPLE QQNNEMCSTL CHHSLPALIE GQRKYY ADY YAYRQEIRSL EGRRKRLQAM LNSSSSI

UniProtKB: Pre-mRNA-splicing factor CEF1

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Macromolecule #12: Pre-mRNA-splicing factor CLF1

MacromoleculeName: Pre-mRNA-splicing factor CLF1 / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 82.555859 KDa
SequenceString: MDTLEPTAVD THVSAEQILR DVYKKGQKAR GSTNIDILDL EELREYQRRK RTEYEGYLKR NRLDMGQWIR YAQFEIEQHD MRRARSIFE RALLVDSSFI PLWIRYIDAE LKVKCINHAR NLMNRAISTL PRVDKLWYKY LIVEESLNNV EIVRSLYTKW C SLEPGVNA ...String:
MDTLEPTAVD THVSAEQILR DVYKKGQKAR GSTNIDILDL EELREYQRRK RTEYEGYLKR NRLDMGQWIR YAQFEIEQHD MRRARSIFE RALLVDSSFI PLWIRYIDAE LKVKCINHAR NLMNRAISTL PRVDKLWYKY LIVEESLNNV EIVRSLYTKW C SLEPGVNA WNSFVDFEIR QKNWNGVREI YSKYVMAHPQ MQTWLKWVRF ENRHGNTEFT RSVYSLAIDT VANLQNLQIW SD MEVAKLV NSFAHWEAAQ QEYERSSALY QIAIEKWPSN QLLKAGLLDF EKQFGDINSI EETISYKRKM EYETILSNNA YDY DTWWLY LDLISESFPK QIMQTFEKAI VDSRPKELSK NVQWKRYIYL WMRYICYVEL ELENSLLEEE LFQRLIDDII PHKH FTFSK IWLMYAKFLI RHDDVPKARK ILGKAIGLCP KAKTFKGYIE LEVKLKEFDR VRKIYEKFIE FQPSDLQIWS QYGEL EENL GDWDRVRGIY TIALDENSDF LTKEAKIVLL QKYITFETES QEFEKARKLY RRYLELNQYS PQSWIEFAMY QTSTPT EQQ LLDLAKLQSE NVDEDIEFEI TDENKLEARK VFEEAIVFFK EKDDKQGRLS ILEALKDYEE TYGTELDQET VKKRFPK VI KKVRLQNGVE EEFVDYIFPD DIDDDKPKPS KFLELAKKWK QEQAL

UniProtKB: Pre-mRNA-splicing factor CLF1

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Macromolecule #13: Pre-mRNA-splicing factor SYF2

MacromoleculeName: Pre-mRNA-splicing factor SYF2 / type: protein_or_peptide / ID: 13 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 24.850719 KDa
SequenceString: MDFYKLDEKL KELKRKRVDV SIKSRKLADR EIQEVSANRK PRVYSMEDVN DADESVGDTE SPEKEKAFHY TVQEYDAWER RHPQGKTGQ SQRGGISYDQ LAKLSYEKTL RNLATQTQNS SKQDSSADEE DNKNVPKKGR IGKVQKDTKT GKITIADDDK L VNKLAVSL ...String:
MDFYKLDEKL KELKRKRVDV SIKSRKLADR EIQEVSANRK PRVYSMEDVN DADESVGDTE SPEKEKAFHY TVQEYDAWER RHPQGKTGQ SQRGGISYDQ LAKLSYEKTL RNLATQTQNS SKQDSSADEE DNKNVPKKGR IGKVQKDTKT GKITIADDDK L VNKLAVSL QSESKKRYEA RKRQMQNAKT LYGVESFIND KNKQFNEKLS RESKGSE

UniProtKB: Pre-mRNA-splicing factor SYF2

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Macromolecule #14: Pre-mRNA-processing factor 17

MacromoleculeName: Pre-mRNA-processing factor 17 / type: protein_or_peptide / ID: 14 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 52.208738 KDa
SequenceString: MGLVDGYDTS SDSDLNFDEG KSVHEKKNGN LHEDTSYEPS SNNIHKRKSH FTKSELKRRR KTRKGDGPWG SW(SEP)SSD DET SQASETQKED QDIFVHALAE DNLDSEQIEV EEVSHFYGKS EKDYQGRGYL YPPNDVDVDL REERISFRCY LPKKVIR NY PGHPEGTTAL ...String:
MGLVDGYDTS SDSDLNFDEG KSVHEKKNGN LHEDTSYEPS SNNIHKRKSH FTKSELKRRR KTRKGDGPWG SW(SEP)SSD DET SQASETQKED QDIFVHALAE DNLDSEQIEV EEVSHFYGKS EKDYQGRGYL YPPNDVDVDL REERISFRCY LPKKVIR NY PGHPEGTTAL KFLPKTGHLI LSGGNDHTIK IWDFYHDYEC LRDFQGHNKP IKALRFTEDC QSFLSSSFDR SVKIWDTE T GKVKTRLHLN STPADVESRP TNPHEFIVGL SNSKILHYDD RVSENQGLVQ TYDHHLSSIL ALKYFPDGSK FISSSEDKT VRIWENQINV PIKQISDTAQ HSMPFLNVHP SQNYFCAQSM DNRIYSFSLK PKYKRHPKKI FKGHSSAGYG ISLAFSGDGR YICSGDSKS RLFTWDWNTS RLLNNIKIPG NKPITQVDWH PQETSKVICS GAAGKIYVCD

UniProtKB: Pre-mRNA-processing factor 17

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Macromolecule #15: Pre-mRNA-splicing factor ISY1

MacromoleculeName: Pre-mRNA-splicing factor ISY1 / type: protein_or_peptide / ID: 15 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 28.073836 KDa
SequenceString: MSRNVDKANS VLVRFQEQQA ESAGGYKDYS RYQRPRNVSK VKSIKEANEW KRQVSKEIKQ KSTRIYDPSL NEMQIAELND ELNNLFKEW KRWQWHIDHT LMEKKTKRKR LEDSHVLMNS GKLINGKRYF GRALELPEVK EWLKQSQRQN DGGSINTKCI P KDRNDFYY ...String:
MSRNVDKANS VLVRFQEQQA ESAGGYKDYS RYQRPRNVSK VKSIKEANEW KRQVSKEIKQ KSTRIYDPSL NEMQIAELND ELNNLFKEW KRWQWHIDHT LMEKKTKRKR LEDSHVLMNS GKLINGKRYF GRALELPEVK EWLKQSQRQN DGGSINTKCI P KDRNDFYY HGKVTAALTE FEANWTSILK AHYNVPVNED EEEMSRQTQE IHVPTLADME HWLVQRRKKK LMDELNL

UniProtKB: Pre-mRNA-splicing factor ISY1

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Macromolecule #20: Pre-mRNA-splicing factor SYF1

MacromoleculeName: Pre-mRNA-splicing factor SYF1 / type: protein_or_peptide / ID: 20 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 100.344016 KDa
SequenceString: MSAYIAMKGV ITNVDENIRN DEDVAFEYEI QKTPQNILTW KRYIEYWKEE GRTDKQIRWL YERFCSQFVT DTSIWEDYIR WESTKEVVE TSRIFWLFQR CLKSCVRDCD RICLSYLELA IEQYDLAMIR HALASSLMKM EREMHRKVWD PVIKFVEEKV L PLTQLDST ...String:
MSAYIAMKGV ITNVDENIRN DEDVAFEYEI QKTPQNILTW KRYIEYWKEE GRTDKQIRWL YERFCSQFVT DTSIWEDYIR WESTKEVVE TSRIFWLFQR CLKSCVRDCD RICLSYLELA IEQYDLAMIR HALASSLMKM EREMHRKVWD PVIKFVEEKV L PLTQLDST QEDEEESTDE AELINVLLVK GFTKGGFISE EISENGSRGD IWSSHILERY LKVAPQQKRN ESLATLALTR DN ITIKSVY EKYLPQDENS GKYLPSSELP FELNFNYLAS LEKLGLDNQY EEFMRQMNGI YPDKWLFLIL SLAKYYISRG RLD SCGDLL KKSLQQTLRY SDFDRIYNFY LLFEQECSQF ILGKLKENDS KFFNQKDWTE KLQAHMATFE SLINLYDIYL NDVA LRQDS NLVETWMKRV SLQKSAAEKC NVYSEAILKI DPRKVGTPGS FGRLWCSYGD LYWRSNAIST ARELWTQSLK VPYPY IEDL EEIYLNWADR ELDKEGVERA FSILEDALHV PTNPEILLEK YKNGHRKIPA QTVLFNSLRI WSKYIDYLEA YCPKDA NSS DKIFNKTKMA YNTVIDLRLI TPAMAENFAL FLQNHYEVME SFQVYEKTIP LFPPEIQYEL WIEYLEVATS HQLSSLS PE HIRFLFEKAL KNLCSNGIDC KTIFIAYSVF EERISGLISK SIEILRRGAV IGTVSVSTHL ESRLQLWRMC ISKAESTL G PSVTRELYQE CIQILPNSKA VEFVIKFSDF ESSIGETIRA REILAYGAKL LPPSRNTELW DSFEIFELKH GDKETYKDM LKMKKVLESN MLIDSASVSH EEGNINFVAA ATSHAPNSHT LTQSTSSYSI NPDEIELDI

UniProtKB: Pre-mRNA-splicing factor SYF1

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Macromolecule #21: U2 small nuclear ribonucleoprotein B''

MacromoleculeName: U2 small nuclear ribonucleoprotein B'' / type: protein_or_peptide / ID: 21 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 12.850944 KDa
SequenceString:
MVEPARKKQR IDRDTHHTVA EPVTEAKNTL YVSQLNEKIN MQRLRVNLFL LFATFGEVLK VSMNFKKQRG QAFITMRTID QASLAQISL NGERFFGKPL KVEFSKSETK TL

UniProtKB: U2 small nuclear ribonucleoprotein B''

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Macromolecule #22: U2 small nuclear ribonucleoprotein A'

MacromoleculeName: U2 small nuclear ribonucleoprotein A' / type: protein_or_peptide / ID: 22 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 27.232252 KDa
SequenceString: MKFTPSIVID APQYYVDHFN GKYNVDKCVI LRDLQLETDS ESMPSSLKHL TKPTHILDLT NNDLIMIPDL SRRDDIHTLL LGRNNIVEV DGRLLPMNVQ NLTLSNNSIR RFEDLQRLRR APRTLKNLTL IGNQVCHLAN YREHVLRLVP HLETLDFQNV T AEERKSAM ...String:
MKFTPSIVID APQYYVDHFN GKYNVDKCVI LRDLQLETDS ESMPSSLKHL TKPTHILDLT NNDLIMIPDL SRRDDIHTLL LGRNNIVEV DGRLLPMNVQ NLTLSNNSIR RFEDLQRLRR APRTLKNLTL IGNQVCHLAN YREHVLRLVP HLETLDFQNV T AEERKSAM SFPRQADGDT LGPVNTAIRD NGSRDKTMEI MNLVVSKMTV ERRNELKKQL AEATSLEEIA RLEKLLSGGV

UniProtKB: U2 small nuclear ribonucleoprotein A'

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Macromolecule #23: Pre-mRNA-splicing factor SNT309

MacromoleculeName: Pre-mRNA-splicing factor SNT309 / type: protein_or_peptide / ID: 23 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 20.741455 KDa
SequenceString:
MDGLSFVDKG KIPDGYKNEI DQLVKKEFAN IKREPVHPEI RGILAKRKGA DNSVSTLTNA LYTEYLKQRN NKKRRTPDFN DDDDTLFLE EYRRKYPRID TSRYIPNESS EVSLLGIVDS YLKHQEIVLD TLLPQTVSNQ WRINNDYIRQ TCTIVEEMNI Q QRKQINDL EIYRKRL

UniProtKB: Pre-mRNA-splicing factor SNT309

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Macromolecule #24: Small nuclear ribonucleoprotein E

MacromoleculeName: Small nuclear ribonucleoprotein E / type: protein_or_peptide / ID: 24 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 10.385098 KDa
SequenceString:
MSNKVKTKAM VPPINCIFNF LQQQTPVTIW LFEQIGIRIK GKIVGFDEFM NVVIDEAVEI PVNSADGKED VEKGTPLGKI LLKGDNITL ITSAD

UniProtKB: Small nuclear ribonucleoprotein E

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Macromolecule #25: Small nuclear ribonucleoprotein Sm D1

MacromoleculeName: Small nuclear ribonucleoprotein Sm D1 / type: protein_or_peptide / ID: 25 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 16.296798 KDa
SequenceString:
MKLVNFLKKL RNEQVTIELK NGTTVWGTLQ SVSPQMNAIL TDVKLTLPQP RLNKLNSNGI AMASLYLTGG QQPTASDNIA SLQYINIRG NTIRQIILPD SLNLDSLLVD QKQLNSLRRS GQIANDPSKK RRRDFGAPAN KRPRRGL

UniProtKB: Small nuclear ribonucleoprotein Sm D1

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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: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 8.490809 KDa
SequenceString:
MVSTPELKKY MDKKILLNIN GSRKVAGILR GYDIFLNVVL DDAMEINGED PANNHQLGLQ TVIRGNSIIS LEALDAI

UniProtKB: Small nuclear ribonucleoprotein G

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Macromolecule #27: Small nuclear ribonucleoprotein F

MacromoleculeName: Small nuclear ribonucleoprotein F / type: protein_or_peptide / ID: 27 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 9.669945 KDa
SequenceString:
MSESSDISAM QPVNPKPFLK GLVNHRVGVK LKFNSTEYRG TLVSTDNYFN LQLNEAEEFV AGVSHGTLGE IFIRCNNVLY IRELPN

UniProtKB: Small nuclear ribonucleoprotein F

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Macromolecule #28: Small nuclear ribonucleoprotein Sm D2

MacromoleculeName: Small nuclear ribonucleoprotein Sm D2 / type: protein_or_peptide / ID: 28 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 12.876066 KDa
SequenceString:
MSSQIIDRPK HELSRAELEE LEEFEFKHGP MSLINDAMVT RTPVIISLRN NHKIIARVKA FDRHCNMVLE NVKELWTEKK GKNVINRER FISKLFLRGD SVIVVLKTPV E

UniProtKB: Small nuclear ribonucleoprotein Sm D2

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Macromolecule #29: Small nuclear ribonucleoprotein-associated protein B

MacromoleculeName: Small nuclear ribonucleoprotein-associated protein B / type: protein_or_peptide / ID: 29 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 22.42699 KDa
SequenceString: MSKIQVAHSS RLANLIDYKL RVLTQDGRVY IGQLMAFDKH MNLVLNECIE ERVPKTQLDK LRPRKDSKDG TTLNIKVEKR VLGLTILRG EQILSTVVED KPLLSKKERL VRDKKEKKQA QKQTKLRKEK EKKPGKIAKP NTANAKHTSS NSREIAQPSS S RYNGGNDN ...String:
MSKIQVAHSS RLANLIDYKL RVLTQDGRVY IGQLMAFDKH MNLVLNECIE ERVPKTQLDK LRPRKDSKDG TTLNIKVEKR VLGLTILRG EQILSTVVED KPLLSKKERL VRDKKEKKQA QKQTKLRKEK EKKPGKIAKP NTANAKHTSS NSREIAQPSS S RYNGGNDN IGANRSRFNN EAPPQTRKFQ PPPGFKRK

UniProtKB: Small nuclear ribonucleoprotein-associated protein B

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Macromolecule #30: Small nuclear ribonucleoprotein Sm D3

MacromoleculeName: Small nuclear ribonucleoprotein Sm D3 / type: protein_or_peptide / ID: 30 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 11.240139 KDa
SequenceString:
MTMNGIPVKL LNEAQGHIVS LELTTGATYR GKLVESEDSM NVQLRDVIAT EPQGAVTHMD QIFVRGSQIK FIVVPDLLKN APLFKKNSS RPMPPIRGPK RR

UniProtKB: Small nuclear ribonucleoprotein Sm D3

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Macromolecule #31: Pre-mRNA-processing factor 19

MacromoleculeName: Pre-mRNA-processing factor 19 / type: protein_or_peptide / ID: 31 / Number of copies: 4 / Enantiomer: LEVO / EC number: RING-type E3 ubiquitin transferase
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c
Molecular weightTheoretical: 56.629777 KDa
SequenceString: MLCAISGKVP RRPVLSPKSR TIFEKSLLEQ YVKDTGNDPI TNEPLSIEEI VEIVPSAQQA SLTESTNSAT LKANYSIPNL LTSLQNEWD AIMLENFKLR STLDSLTKKL STVMYERDAA KLVAAQLLME KNEDSKDLPK SSQQAVAITR EEFLQGLLQS S RDFVARGK ...String:
MLCAISGKVP RRPVLSPKSR TIFEKSLLEQ YVKDTGNDPI TNEPLSIEEI VEIVPSAQQA SLTESTNSAT LKANYSIPNL LTSLQNEWD AIMLENFKLR STLDSLTKKL STVMYERDAA KLVAAQLLME KNEDSKDLPK SSQQAVAITR EEFLQGLLQS S RDFVARGK LKAPKWPILK NLELLQAQNY SRNIKTFPYK ELNKSMYYDK WVCMCRCEDG ALHFTQLKDS KTITTITTPN PR TGGEHPA IISRGPCNRL LLLYPGNQIT ILDSKTNKVL REIEVDSANE IIYMYGHNEV NTEYFIWADN RGTIGFQSYE DDS QYIVHS AKSDVEYSSG VLHKDSLLLA LYSPDGILDV YNLSSPDQAS SRFPVDEEAK IKEVKFADNG YWMVVECDQT VVCF DLRKD VGTLAYPTYT IPEFKTGTVT YDIDDSGKNM IAYSNESNSL TIYKFDKKTK NWTKDEESAL CLQSDTADFT DMDVV CGDG GIAAILKTND SFNIVALTP

UniProtKB: Pre-mRNA-processing factor 19

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Macromolecule #16: UBC4 pre-mRNA

MacromoleculeName: UBC4 pre-mRNA / type: rna / ID: 16 / Number of copies: 1
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast)
Molecular weightTheoretical: 78.814469 KDa
SequenceString: GAGAGAUUCC GUACACCAUC AGGGUACGAG CUAGCCCAUG GCGUACACCA UCAGGGUACG ACUAGUAGAU CUCGUACACC AUCAGGGUA CGGAAUUCUC UAGAGUGUCG ACGAACUAAG UGAUCUAGAA AGGUAUGUCU AAAGUUAUGG CCACGUUUCA A AUGCGUGC ...String:
GAGAGAUUCC GUACACCAUC AGGGUACGAG CUAGCCCAUG GCGUACACCA UCAGGGUACG ACUAGUAGAU CUCGUACACC AUCAGGGUA CGGAAUUCUC UAGAGUGUCG ACGAACUAAG UGAUCUAGAA AGGUAUGUCU AAAGUUAUGG CCACGUUUCA A AUGCGUGC UUUUUUUUUA AAACUUAUGC UCUUAUUUAC UAACAAAAUC AACAUGCUAU UGAACUAGAG AUCCACCUAC UU CAUGUU

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Macromolecule #17: U5 snRNA

MacromoleculeName: U5 snRNA / type: rna / ID: 17 / Number of copies: 1
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast)
Molecular weightTheoretical: 68.643344 KDa
SequenceString: AAGCAGCUUU ACAGAUCAAU GGCGGAGGGA GGUCAACAUC AAGAACUGUG GGCCUUUUAU UGCCUAUAGA ACUUAUAACG AACAUGGUU CUUGCCUUUU ACCAGAACCA UCCGGGUGUU GUCUCCAUAG AAACAGGUAA AGCUGUCCGU UACUGUGGGC U UGCCAUAU ...String:
AAGCAGCUUU ACAGAUCAAU GGCGGAGGGA GGUCAACAUC AAGAACUGUG GGCCUUUUAU UGCCUAUAGA ACUUAUAACG AACAUGGUU CUUGCCUUUU ACCAGAACCA UCCGGGUGUU GUCUCCAUAG AAACAGGUAA AGCUGUCCGU UACUGUGGGC U UGCCAUAU UUUUUGGAAC UUUUCUGCCC UUUUUCUCAA UGAGUAAGGA GGGCGU

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Macromolecule #18: U6 snRNA

MacromoleculeName: U6 snRNA / type: rna / ID: 18 / Number of copies: 1
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast)
Molecular weightTheoretical: 35.883176 KDa
SequenceString:
GUUCGCGAAG UAACCCUUCG UGGACAUUUG GUCAAUUUGA AACAAUACAG AGAUGAUCAG CAGUUCCCCU GCAUAAGGAU GAACCGUUU UACAAAGAGA UUUAUUUCGU UUU

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Macromolecule #19: U2 snRNA

MacromoleculeName: U2 snRNA / type: rna / ID: 19 / Number of copies: 1
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast)
Molecular weightTheoretical: 376.267406 KDa
SequenceString: ACGAAUCUCU UUGCCUUUUG GCUUAGAUCA AGUGUAGUAU CUGUUCUUUU CAGUGUAACA ACUGAAAUGA CCUCAAUGAG GCUCAUUAC CUUUUAAUUU GUUACAAUAC ACAUUUUUUG GCACCCAAAA UAAUAAAAUG GACGGGAAGA GACUUUUUAA G CAAGUUGU ...String:
ACGAAUCUCU UUGCCUUUUG GCUUAGAUCA AGUGUAGUAU CUGUUCUUUU CAGUGUAACA ACUGAAAUGA CCUCAAUGAG GCUCAUUAC CUUUUAAUUU GUUACAAUAC ACAUUUUUUG GCACCCAAAA UAAUAAAAUG GACGGGAAGA GACUUUUUAA G CAAGUUGU UUUCCGCUAA UGUCAGGUCU CACUACUUUU UGCUGCUAUU UUUCUUCGCU CAUGGUUUCU UCAUAAGGCG UU UUUAUGA UGGUUUUUCG AAAUUGGUUU UUGAGACGAC GGUUGCUCAA GGUUAUUGUU UUUGUUUUCU UCUGGUUGUU UUC UAUUUU CUUUUUUUUA GCUUUCUGUU UCUCCCUUAG UUUGGCUUUU UGCUUCAUAC UCUUCCCUGU CUUUCCGAGC CGUU UAUGU CCAACGCGGG AUUUGGUUUU UCUUUAUCGA UGGGAAGAAA UGGUGCUAUA GUAGGUUGGG AGAUAAUAUU UAUGG UAUG GGGUGCUAGU GCGGAUGGGG CGCUCUUAUU GUUGAUUUCU UCGCUCGUCU UCUUUUUCUG GUGGCGCUGC AAGAGG AAG UUUUUCGACU UUGUUAUGAU UUUUGGUUUG CAAGGAAAGG UGUCUUACGA UUCUUUUUUU GAUGUAAUAG GAUAAGC UU GCUUAUCCCC CAAGUAUCGG CCAAAGUUGU UGAUUUUCCU UUUGAAGUGU CCUCGGUUUG AGGGGGUGUA GGGUGGGG U UGGUCUACAA UAAGAGUGUU CCAUUGUUAA CGUGCUGGCG UCUUUUACUA UAUUUUUUUU CCCAGUUUAU UUUGUGCUU AUUUUCUCAU UGAGGAGAAG GAGCUCUUCU CGCAGGAUAU AAAUGGAGGU UUGCUAAAGG GGAGGAGAUG UGUUUGUGAG AAUACUGCU GAGAGAGUUC UGGAAGAGAA AAAAAGGAGG CAAUGGAAGG CGUUUGCUGG GAAAAGAGAA GAGCCAUGAC U GCAUCUGU UGUUUCAAGG CCAGUUUUAU UAACCGCCUA UGUCAUAGAG GCGUUUUUUU UGGAGGGAUU UGAAGAAUGC CG GCGGCAU CAAGAAACGG ACUUGAUGGU UGACGCCUGU UUUUAAAGUU AGAGACGUCG CGACCCUCGC ACUUGUGGAG UCG UUCUUG ACUUUUACUU UGGUCGCUUG AUGUUUCUCU CGUCUUCCCG UUCGCUCUU

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Macromolecule #32: INOSITOL HEXAKISPHOSPHATE

MacromoleculeName: INOSITOL HEXAKISPHOSPHATE / type: ligand / ID: 32 / Number of copies: 1 / Formula: IHP
Molecular weightTheoretical: 660.035 Da
Chemical component information

ChemComp-IHP:
INOSITOL HEXAKISPHOSPHATE

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Macromolecule #33: GUANOSINE-5'-TRIPHOSPHATE

MacromoleculeName: GUANOSINE-5'-TRIPHOSPHATE / type: ligand / ID: 33 / Number of copies: 1 / Formula: GTP
Molecular weightTheoretical: 523.18 Da
Chemical component information

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

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Macromolecule #34: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 34 / Number of copies: 6 / Formula: MG
Molecular weightTheoretical: 24.305 Da

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Macromolecule #35: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 35 / Number of copies: 6 / 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

Concentration0.2 mg/mL
BufferpH: 7.9
GridModel: Quantifoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Support film - Material: CARBON / Support film - topology: CONTINUOUS / Pretreatment - Type: GLOW DISCHARGE
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: SUPER-RESOLUTION / Average electron dose: 49.3 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Sample stageSpecimen holder model: OTHER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: EMDB MAP
EMDB ID:

9525

Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.86 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.0) / Number images used: 395458
Initial angle assignmentType: PROJECTION MATCHING / Software - Name: RELION (ver. 3.0)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.0)
Final 3D classificationSoftware - Name: RELION (ver. 3.0)

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