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- EMDB-4055: Overall map of the yeast spliceosome immediately after branching -

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Basic information

Entry
Database: EMDB / ID: EMD-4055
TitleOverall map of the yeast spliceosome immediately after branching
Map dataSpliceosome captured immediately after first catalytic step
Sample
  • Complex: Spliceosome immediately after branching
    • RNA: x 5 types
    • Protein or peptide: x 26 types
  • Ligand: x 3 types
Keywordsspliceosome / snRNP / pre-mRNA splicing / trans-esterification / lariat intermediate / complex C / splicing
Function / homology
Function and homology information


post-spliceosomal complex / 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 / spliceosome conformational change to release U4 (or U4atac) and U1 (or U11) / U4/U6 snRNP / 7-methylguanosine cap hypermethylation ...post-spliceosomal complex / 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 / spliceosome conformational change to release U4 (or U4atac) and U1 (or U11) / U4/U6 snRNP / 7-methylguanosine cap hypermethylation / pICln-Sm protein complex / U2-type catalytic step 1 spliceosome / pre-mRNA binding / snRNP binding / small nuclear ribonucleoprotein complex / SMN-Sm protein complex / spliceosomal tri-snRNP complex / U2-type spliceosomal complex / commitment complex / mRNA cis splicing, via spliceosome / U2-type prespliceosome assembly / U2-type catalytic step 2 spliceosome / U4 snRNP / U2 snRNP / U1 snRNP / poly(U) RNA binding / U2-type prespliceosome / precatalytic spliceosome / generation of catalytic spliceosome for second transesterification step / Formation of TC-NER Pre-Incision Complex / spliceosomal complex assembly / mRNA 5'-splice site recognition / Gap-filling DNA repair synthesis and ligation in TC-NER / mRNA 3'-splice site recognition / DNA replication origin binding / Dual incision in TC-NER / spliceosomal tri-snRNP complex assembly / Prp19 complex / U5 snRNA binding / DNA replication initiation / U5 snRNP / U2 snRNA binding / U6 snRNA binding / pre-mRNA intronic binding / spliceosomal snRNP assembly / U1 snRNA binding / U4/U6 x U5 tri-snRNP complex / positive regulation of cell cycle / catalytic step 2 spliceosome / RNA splicing / positive regulation of RNA splicing / spliceosomal complex / mRNA splicing, via spliceosome / metallopeptidase activity / GTPase activity / mRNA binding / chromatin binding / GTP binding / chromatin / DNA binding / RNA binding / zinc ion binding / metal ion binding / nucleus / cytosol / cytoplasm
Similarity search - Function
CBF1-interacting co-repressor CIR, N-terminal domain / Pre-mRNA splicing factor / : / N-terminal domain of CBF1 interacting co-repressor CIR / Pre-mRNA splicing factor / N-terminal domain of CBF1 interacting co-repressor CIR / Splicing factor Yju2 / Saf4/Yju2 protein / Saf4/Yju2 protein / Pre-mRNA-splicing factor Isy1 ...CBF1-interacting co-repressor CIR, N-terminal domain / Pre-mRNA splicing factor / : / N-terminal domain of CBF1 interacting co-repressor CIR / Pre-mRNA splicing factor / N-terminal domain of CBF1 interacting co-repressor CIR / Splicing factor Yju2 / Saf4/Yju2 protein / Saf4/Yju2 protein / Pre-mRNA-splicing factor Isy1 / Pre-mRNA-splicing factor Isy1 superfamily / Isy1-like splicing family / cwf21 / Slt11, RNA recognition motif / Pre-mRNA-splicing factor Cwc2, RNA recognition motif / Torus domain / Torus domain / RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain) / Helix hairpin bin domain superfamily / : / mRNA splicing factor Cwf21 domain / cwf21 domain / : / Pre-mRNA-splicing factor SYF1 middle HAT repeat / G10 protein signature 2. / BUD31/G10-related, conserved site / G10 protein signature 1. / : / : / Pre-mRNA-splicing factor Syf1/CRNKL1 C-terminal HAT repeat / : / STL11, N-terminal / : / Pre-mRNA-splicing factor Syf1/CNRKL1 N-terminal HAT repeat / SKI-interacting protein SKIP, SNW domain / SKI-interacting protein, SKIP / SKIP/SNW domain / 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 / U2 small nuclear ribonucleoprotein A' / U2A'/phosphoprotein 32 family A, C-terminal / occurring C-terminal to leucine-rich repeats / 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 / : / 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 / EF-G domain III/V-like / 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 / PRO8NT (NUC069), PrP8 N-terminal domain / PROCN (NUC071) domain / U6-snRNA interacting domain of PrP8 / U5-snRNA binding site 2 of PrP8 / RNA recognition motif of the spliceosomal PrP8
Similarity search - Domain/homology
: / : / : / : / : / : / : / : / Pre-mRNA-splicing factor ISY1 / Pre-mRNA-splicing factor BUD31 ...: / : / : / : / : / : / : / : / Pre-mRNA-splicing factor ISY1 / Pre-mRNA-splicing factor BUD31 / Pre-mRNA-processing protein 45 / Splicing factor YJU2 / 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'' / Small nuclear ribonucleoprotein Sm D3 / Pre-mRNA-splicing factor CWC25 / 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 / 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 (brewer's yeast) / Saccharomyces cerevisiae
Methodsingle particle reconstruction / cryo EM / Resolution: 3.8 Å
AuthorsGalej WP / Wilkinson MF
CitationJournal: Nature / Year: 2016
Title: Cryo-EM structure of the spliceosome immediately after branching.
Authors: Wojciech P Galej / Max E Wilkinson / Sebastian M Fica / Chris Oubridge / Andrew J Newman / Kiyoshi Nagai /
Abstract: Precursor mRNA (pre-mRNA) splicing proceeds by two consecutive transesterification reactions via a lariat-intron intermediate. Here we present the 3.8 Å cryo-electron microscopy structure of the ...Precursor mRNA (pre-mRNA) splicing proceeds by two consecutive transesterification reactions via a lariat-intron intermediate. Here we present the 3.8 Å cryo-electron microscopy structure of the spliceosome immediately after lariat formation. The 5'-splice site is cleaved but remains close to the catalytic Mg site in the U2/U6 small nuclear RNA (snRNA) triplex, and the 5'-phosphate of the intron nucleotide G(+1) is linked to the branch adenosine 2'OH. The 5'-exon is held between the Prp8 amino-terminal and linker domains, and base-pairs with U5 snRNA loop 1. Non-Watson-Crick interactions between the branch helix and 5'-splice site dock the branch adenosine into the active site, while intron nucleotides +3 to +6 base-pair with the U6 snRNA ACAGAGA sequence. Isy1 and the step-one factors Yju2 and Cwc25 stabilize docking of the branch helix. The intron downstream of the branch site emerges between the Prp8 reverse transcriptase and linker domains and extends towards the Prp16 helicase, suggesting a plausible mechanism of remodelling before exon ligation.
History
DepositionJul 17, 2016-
Header (metadata) releaseAug 3, 2016-
Map releaseAug 3, 2016-
UpdateOct 23, 2024-
Current statusOct 23, 2024Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.027
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by radius
  • Surface level: 0.027
  • Imaged by UCSF Chimera
  • Download
  • Surface view with fitted model
  • Atomic models: PDB-5lj3
  • Surface level: 0.027
  • Imaged by UCSF Chimera
  • Download
Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_4055.png

Downloads & links

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Map

FileDownload / File: emd_4055.map.gz / Format: CCP4 / Size: 266.8 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationSpliceosome captured immediately after first catalytic step
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.43 Å/pix.
x 412 pix.
= 589.16 Å		1.43 Å/pix.
x 412 pix.
= 589.16 Å		1.43 Å/pix.
x 412 pix.
= 589.16 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.43 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.027 / Movie #1: 0.027
Minimum - Maximum-0.091265984 - 0.19674145
Average (Standard dev.)-0.0000000711149 (±0.0048705623)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions412412412
Spacing412412412
CellA=B=C: 589.16 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.431.431.43
M x/y/z412412412
origin x/y/z0.0000.0000.000
length x/y/z589.160589.160589.160
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS412412412
D min/max/mean-0.0910.197-0.000

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Supplemental data

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Sample components

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Entire : Spliceosome immediately after branching

EntireName: Spliceosome immediately after branching
Components
  • Complex: Spliceosome immediately after branching
    • RNA: U5 snRNA (small nuclear RNA)
    • RNA: Exon 1 (5' exon) of UBC4 pre-mRNA
    • RNA: Intron of UBC4 pre-mRNA
    • RNA: U2 snRNA (small nuclear RNA)
    • RNA: U6 snRNA (small nuclear RNA)
    • Protein or peptide: Pre-mRNA-splicing factor 8
    • Protein or peptide: Protein CWC16
    • Protein or peptide: Pre-mRNA-splicing factor CWC25
    • Protein or peptide: Pre-mRNA-splicing factor SNU114
    • Protein or peptide: ISY1
    • Protein or peptide: CWC22
    • Protein or peptide: PRP46
    • Protein or peptide: Pre-mRNA-processing protein 45
    • Protein or peptide: Pre-mRNA-splicing factor BUD31
    • Protein or peptide: CWC2
    • Protein or peptide: Pre-mRNA-splicing factor SLT11
    • Protein or peptide: CEF1
    • Protein or peptide: CWC15
    • Protein or peptide: Pre-mRNA-splicing factor CWC21
    • Protein or peptide: CLF1
    • Protein or peptide: SYF1
    • Protein or peptide: Small nuclear ribonucleoprotein-associated protein B
    • Protein or peptide: Small nuclear ribonucleoprotein Sm D3
    • Protein or peptide: Small nuclear ribonucleoprotein E
    • Protein or peptide: Small nuclear ribonucleoprotein F
    • Protein or peptide: Small nuclear ribonucleoprotein G
    • Protein or peptide: Small nuclear ribonucleoprotein Sm D1
    • Protein or peptide: Small nuclear ribonucleoprotein Sm D2
    • Protein or peptide: U2 small nuclear ribonucleoprotein A'
    • Protein or peptide: U2 small nuclear ribonucleoprotein B''
    • Protein or peptide: unknown
  • Ligand: MAGNESIUM ION
  • Ligand: ZINC ION
  • Ligand: GUANOSINE-5'-TRIPHOSPHATE

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Supramolecule #1: Spliceosome immediately after branching

SupramoleculeName: Spliceosome immediately after branching / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#31
Details: Splicing extract was prepared from Prp18-HA or Slu7-TAPS yeast strains. An in vitro transcribed yeast UBC4 pre-mRNA substrate (with 2 x MS2 bacteriophage coat protein-binding stem loops at ...Details: Splicing extract was prepared from Prp18-HA or Slu7-TAPS yeast strains. An in vitro transcribed yeast UBC4 pre-mRNA substrate (with 2 x MS2 bacteriophage coat protein-binding stem loops at the 5' end and with the 3'-splice site sequence UAGAG mutated to UACAC) was pre-bound to an MS2-maltose binding protein fusion protein. This substrate-protein complex was added to the splicing extract. The splicing reaction proceeded through the first step but the second step was blocked by the 3' splice site mutation. Substrate-bound spliceosomes from the splicing extract were purified on amylose resin and eluted with maltose. Subsequently the spliceosomes were captured on anti-HA-agarose (for Prp18-HA-tagged) or streptactin resin (for Slu7-TAPS tagged) and eluted with HA peptide or desthiobiotin, respectively. Purified spliceosomes were then dialysed against 20 mM HEPES KOH pH 7.8, 75 mM KCl, 0.25 mM EDTA
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 2 MDa

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Macromolecule #1: U5 snRNA (small nuclear RNA)

MacromoleculeName: U5 snRNA (small nuclear RNA) / type: rna / ID: 1 / Number of copies: 1
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 57.444875 KDa
SequenceString:
AAGCAGCUUU ACAGAUCAAU GGCGGAGGGA GGUCAACAUC AAGAACUGUG GGCCUUUUAU UGCCUAUAGA ACUUAUAACG AACAUGGUU CUUGCCUUUU ACCAGAACCA UCCGGGUGUU GUCUCCAUAG AAACAGGUAA AGCUGUCCGU UACUGUGGGC U UGCCAUAU UUUUUGGAAC U

GENBANK: GENBANK: CP007851.1

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Macromolecule #2: Exon 1 (5' exon) of UBC4 pre-mRNA

MacromoleculeName: Exon 1 (5' exon) of UBC4 pre-mRNA / type: rna / ID: 2
Details: This RNA was produced from an in vitro transcribed yeast UBC4 pre-mRNA with two stem-loops added at the 5' end for binding by the MS2 bacteriophage coat protein. This pre-mRNA is added to a ...Details: This RNA was produced from an in vitro transcribed yeast UBC4 pre-mRNA with two stem-loops added at the 5' end for binding by the MS2 bacteriophage coat protein. This pre-mRNA is added to a yeast splicing extract and the first step of splicing yields the 5' exon and the lariat intron-3' exon intermediate, which both remain associated with the spliceosome.
Number of copies: 1
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 5.170152 KDa
SequenceString:
UAAGUGAUCU AGAAAG

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Macromolecule #3: Intron of UBC4 pre-mRNA

MacromoleculeName: Intron of UBC4 pre-mRNA / type: rna / ID: 3
Details: This RNA was produced from an in vitro transcribed yeast UBC4 pre-mRNA with two stem-loops added at the 5' end for binding by the MS2 bacteriophage coat protein. This pre-mRNA is added to a ...Details: This RNA was produced from an in vitro transcribed yeast UBC4 pre-mRNA with two stem-loops added at the 5' end for binding by the MS2 bacteriophage coat protein. This pre-mRNA is added to a yeast splicing extract and the first step of splicing yields the 5' exon and the lariat intron-3' exon intermediate (this RNA), which both remain associated with the spliceosome.
Number of copies: 1
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 24.109115 KDa
SequenceString:
GUAUGUCUAA AGUUAUGGCC ACGUUUCAAA UGCGUGCUUU UUUUUUAAAA CUUAUGCUCU UAUUUACUAA CAAAAU

GENBANK: GENBANK: X17493.1

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Macromolecule #4: U2 snRNA (small nuclear RNA)

MacromoleculeName: U2 snRNA (small nuclear RNA) / type: rna / ID: 4 / Number of copies: 1
Source (natural)Organism: Saccharomyces cerevisiae (brewer's 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

GENBANK: GENBANK: Z36099.1

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Macromolecule #5: U6 snRNA (small nuclear RNA)

MacromoleculeName: U6 snRNA (small nuclear RNA) / type: rna / ID: 5 / Number of copies: 1
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 35.883176 KDa
SequenceString:
GUUCGCGAAG UAACCCUUCG UGGACAUUUG GUCAAUUUGA AACAAUACAG AGAUGAUCAG CAGUUCCCCU GCAUAAGGAU GAACCGUUU UACAAAGAGA UUUAUUUCGU UUU

GENBANK: GENBANK: CP007856.1

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Macromolecule #6: Pre-mRNA-splicing factor 8

MacromoleculeName: Pre-mRNA-splicing factor 8 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae
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 #7: Protein CWC16

MacromoleculeName: Protein CWC16 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae
Molecular weightTheoretical: 32.371086 KDa
SequenceString: MSERKAINKY YPPDYNPLEA EKLSRKMAKK LKTMNKSHAS IRLMTPFSMR CLECNEYIPK SRKFNGKKEL LKEKYLDSIK IYRLTISCP RCANSIAFRT DPGNSDYVME VGGVRNYVPQ KPNDDLNAKT AVESIDETLQ RLVREKEMEQ NEKMGIKEQA D DKMDLLEK ...String:
MSERKAINKY YPPDYNPLEA EKLSRKMAKK LKTMNKSHAS IRLMTPFSMR CLECNEYIPK SRKFNGKKEL LKEKYLDSIK IYRLTISCP RCANSIAFRT DPGNSDYVME VGGVRNYVPQ KPNDDLNAKT AVESIDETLQ RLVREKEMEQ NEKMGIKEQA D DKMDLLEK RLAKIQQEQE DDEELENLRK KNLEMSQRAE MINRSKHAQQ EKAVTTDDLD NLVDQVFDNH RQRTNKPGNN ND EKRTPLF NPTSTKGKIQ KKSSVRTNPL GIVIKRGKSL K

UniProtKB: Splicing factor YJU2

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Macromolecule #8: Pre-mRNA-splicing factor CWC25

MacromoleculeName: Pre-mRNA-splicing factor CWC25 / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae
Molecular weightTheoretical: 20.412477 KDa
SequenceString:
MGSGDLNLLK SWNPKLMKNR KKVWETEQDL ITEQQKLNTR LKEIEKEREL NELLNESSKD KPETLKNDLA LKKSGLEWMY QDAKLSDEK EDYLLGKKKL DSSILNQPAT PPVRAATTIS ASGAATSISS QKKKSKLLKD DPMSKFKVTK QQRRTPDSTK K RAMSQRGK PLSKPAPDLD Y

UniProtKB: Pre-mRNA-splicing factor CWC25

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Macromolecule #9: Pre-mRNA-splicing factor SNU114

MacromoleculeName: Pre-mRNA-splicing factor SNU114 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae
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 #10: ISY1

MacromoleculeName: ISY1 / type: protein_or_peptide / ID: 10 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 28.120896 KDa
SequenceString: MSRNVDKANS VLVRFQEQQA ESAGGYKDYS RYQRPRNVSK VKSIKEANEW KRQVSKEIKQ KSTRIYDPSL NEMQIAELND ELNNLFKEW KRWQWHIDHT LMEKKTKRKR LEDSHVLMNS GKLINGKRYF GRALELPEVR EWLKQSQRQN DGGSINTKCI P KDRNDFYY ...String:
MSRNVDKANS VLVRFQEQQA ESAGGYKDYS RYQRPRNVSK VKSIKEANEW KRQVSKEIKQ KSTRIYDPSL NEMQIAELND ELNNLFKEW KRWQWHIDHT LMEKKTKRKR LEDSHVLMNS GKLINGKRYF GRALELPEVR EWLKQSQRQN DGGSINTKCI P KDRNDFYY HGKVTAALTE FEANWTSILK AHYNVPVNED EEEMSRQTQE IRVPTLADME HWLVQRRKKK LMDELNL

UniProtKB: UNIPROTKB: A0A165UGV0

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Macromolecule #11: CWC22

MacromoleculeName: CWC22 / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 69.118984 KDa
SequenceString: MSTATIQDED IKFQRENWEM IRSHVSPIIS NLTMDNLQES HRDLFQVNIL IGRDIICKNV VDFTLNKQNG RLIPALSALI ALLNSDIPD IGETLAKELM LMFVQQFNRK DYVSCGNILQ CLSILFLYDV IHEIVILQIL LLLLEKNSLR LVIAVMKICG W KLALVSKK ...String:
MSTATIQDED IKFQRENWEM IRSHVSPIIS NLTMDNLQES HRDLFQVNIL IGRDIICKNV 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 RLFLQNDTRD NSRSRSPFTV ETRKRARSRT PPRGSR NHR NRSRTPPRRP KNHRNRSRTP PARRQRHR

UniProtKB: UNIPROTKB: A0A162ERE7

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Macromolecule #12: PRP46

MacromoleculeName: PRP46 / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 50.801316 KDa
SequenceString: MDGNDHKVEN LGDVDKFYSR IRWNNQFSYM ATLPPHLQSE MEGQKSLLMR YDTYRKESSS FSGEGKKVTL QHVPTDFSET SQAVISKKD HDTHASAFVN KIFQPEVAEE LIVNRYEKLL SQRPEWHAPW KLSRVINGHL GWVRCVAIDP VDNEWFITGS N DTTMKVWD ...String:
MDGNDHKVEN LGDVDKFYSR IRWNNQFSYM ATLPPHLQSE MEGQKSLLMR YDTYRKESSS FSGEGKKVTL QHVPTDFSET 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: UNIPROTKB: A0A162HKW4

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Macromolecule #13: Pre-mRNA-processing protein 45

MacromoleculeName: Pre-mRNA-processing protein 45 / type: protein_or_peptide / ID: 13 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
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 #14: Pre-mRNA-splicing factor BUD31

MacromoleculeName: Pre-mRNA-splicing factor BUD31 / type: protein_or_peptide / ID: 14 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
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 #15: CWC2

MacromoleculeName: CWC2 / type: protein_or_peptide / ID: 15 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 38.458508 KDa
SequenceString: MTSWRDKSAK VQVKESELPS SIPAQTGLTF NIWYNKWSQG FAGNTRFVSP FALQPQLHSG KTRGDNDGQL FFCLFFAKGM CCLGPKCEY LHHIPDEEDI GKLALRTEAL DCFGREKFAD YREDMGGIGS FRKKNKTLYV GGIDGALNSK HLKPAQIESR I RFVFSRLG ...String:
MTSWRDKSAK VQVKESELPS SIPAQTGLTF NIWYNKWSQG FAGNTRFVSP FALQPQLHSG KTRGDNDGQL FFCLFFAKGM CCLGPKCEY LHHIPDEEDI GKLALRTEAL 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: UNIPROTKB: A0A162HWE4

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Macromolecule #16: Pre-mRNA-splicing factor SLT11

MacromoleculeName: Pre-mRNA-splicing factor SLT11 / type: protein_or_peptide / ID: 16 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae
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 #17: CEF1

MacromoleculeName: CEF1 / type: protein_or_peptide / ID: 17 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 67.819789 KDa
SequenceString: MPPVPIYVKG GVWTNVEDQI LKAAVQKYGT HQWSKVASLL QKKTARQSEL RWNEYLNPKL NFTEFSKEED AQLLDLAREL PNQWRTIAD MMARPAQVCV ERYNRLLESE DSGGAALSTG VTDLKVGDIN PNAETQMARP DNGDLEDEEK EMLAEARARL L NTQGKKAT ...String:
MPPVPIYVKG GVWTNVEDQI LKAAVQKYGT HQWSKVASLL QKKTARQSEL RWNEYLNPKL NFTEFSKEED AQLLDLAREL PNQWRTIAD MMARPAQVCV ERYNRLLESE DSGGAALSTG VTDLKVGDIN PNAETQMARP DNGDLEDEEK EMLAEARARL L NTQGKKAT RKIRERMLEE SKRIAELQKR RELKQAGINV AIKKPKKKYG TDIDYNEDIV YEQAPMPGIY DTSTEDRQIK KK FEQFERK VNRKGLDGNK DKPSKKNKDK KRKHDENEHV EKAALGEPTT LTDEYKKPKL ILSAPGTKQG KVTYKKKLES KRQ KLIEAQ ATGTVLTPKE LLPHEPGQED NERSNIKSGK QLKSRIRKFL VQMFASLPSP KNDFEIVLSE DEKEEDAEIA EYEK EFENE RAMNEEDNFI ESPSQNDAPP VSLVAVPLAY STLPIPEFKN NPQSAIDNKY NLLVANAINK EPHMVPEDTV DFLKE VESR MQHITQGRTS MKIQFKTAMP PTEVLLESIQ SKVESIEQLQ RKLQQVQPLE QQNNEMCSTL CHHSLPALIE GQRKYY ADY YAYRQEIRSL EGRRKRLQAM LNSSSSI

UniProtKB: UNIPROTKB: A0A165TLN2

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Macromolecule #18: CWC15

MacromoleculeName: CWC15 / type: protein_or_peptide / ID: 18 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 19.970195 KDa
SequenceString:
MTTSHRPQLE ARSGAKAAAY TPTGIEHARL LPGHTTLKYR KFKEEENLKA NCAQEDRNND KSLEEVVVNE EKQDVVGSGN LQETRSEKD QKDSLQELLV TQKNKVEDKA ELEGNEQLKG GNSSRRSWRK GTAFGRHKVT KETNIKEHAT KKSASGYIND M TKSEYHQE FLHKHVR

UniProtKB: UNIPROTKB: A0A162GIZ3

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Macromolecule #19: Pre-mRNA-splicing factor CWC21

MacromoleculeName: Pre-mRNA-splicing factor CWC21 / type: protein_or_peptide / ID: 19 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae
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 #20: CLF1

MacromoleculeName: CLF1 / type: protein_or_peptide / ID: 20 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 82.532867 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 QVAIEKWPSN QLLKAGLLDF EKQFGDINSI EETISYKRKM DYETILSNNA 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 KQQ LLDLAKLQSE NVDEDIEFEI TDENKLEARK VFEEAIVFFK EKDDKQGRLS IMEALKDYEE TYGTELDQET VKKRFPK VI KKVRLQDGVE EEFVDYVFPD DIDDDKPKPS KFLELAKKWK QEQAL

UniProtKB: UNIPROTKB: A0A165TU20

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Macromolecule #21: SYF1

MacromoleculeName: SYF1 / type: protein_or_peptide / ID: 21 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 100.356141 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 ARKLWTQSLK 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 IGIVSVSTHL ESRLQLWRMC ISKAESTL G PSVTRELYQE CIQILPNSKA VEFVIKFSDF ESSIGETIRA REILAYGAKL LPPSRNTELW DSFEIFELKH GDKETYKDM LKMKKVLESN MLIDSASVSH EEGNINFVAA ATSHAPNSHT LTQSTSSYSI NPDEIELDI

UniProtKB: UNIPROTKB: A0A165VVY6

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Macromolecule #22: Small nuclear ribonucleoprotein-associated protein B

MacromoleculeName: Small nuclear ribonucleoprotein-associated protein B / type: protein_or_peptide / ID: 22 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae
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 #23: Small nuclear ribonucleoprotein Sm D3

MacromoleculeName: Small nuclear ribonucleoprotein Sm D3 / type: protein_or_peptide / ID: 23 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae
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 #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
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 F

MacromoleculeName: Small nuclear ribonucleoprotein F / type: protein_or_peptide / ID: 25 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
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 #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
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 Sm D1

MacromoleculeName: Small nuclear ribonucleoprotein Sm D1 / type: protein_or_peptide / ID: 27
Details: MKLVNFLKKLRNEQVTIELKNGTTVWGTLQSVSPQMNAILTDVKLTLPQPRLNKLNSNGIAMASLYLTGGQQPTASDNIA SLQYINIRGNTIRQIILPDSLNLDSLLVDQKQLNSLRRSGQIANDPSKKRRRDFGAPANKRPRRGL
Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae
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 #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
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: 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: Saccharomyces cerevisiae (brewer's yeast)
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 #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: Saccharomyces cerevisiae
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 #31: unknown

MacromoleculeName: unknown / type: protein_or_peptide / ID: 31 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 11.251861 KDa
SequenceString: (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) ...String:
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)

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Macromolecule #32: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 32 / Number of copies: 2 / Formula: MG
Molecular weightTheoretical: 24.305 Da

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Macromolecule #33: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 33 / Number of copies: 7 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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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

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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

Concentration0.3 mg/mL
BufferpH: 7.8
Component:
ConcentrationNameFormula
20.0 millimolarHepes.KOH pH 7.8
75.0 millimolarpotassium chlorideKCl
250.0 micromolarEDTA
GridModel: Quantifoil R2/2 / Material: COPPER / Mesh: 400 / Support film - Material: CARBON / Support film - topology: CONTINUOUS / Support film - Film thickness: 6 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 30 sec. / Pretreatment - Atmosphere: AIR
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK III
Details: 3 microlitres sample were applied to the grid, left for 30 seconds and then blotted for 2.5-3.0 seconds before plunging..

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: GIF Quantum
Image recordingFilm or detector model: GATAN K2 QUANTUM (4k x 4k) / Detector mode: SUPER-RESOLUTION / Digitization - Frames/image: 1-20 / Number real images: 2213 / Average exposure time: 0.8 sec. / Average electron dose: 2.0 e/Å2
Details: Total dose: 40 electrons/Angstrom^2 over 16 seconds. 20 movie frames collected at 1.25 frames per second.
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsCalibrated magnification: 35714 / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 4.0 µm / Nominal defocus min: 0.5 µm / Nominal magnification: 81000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 248000
Startup modelType of model: EMDB MAP
EMDB ID:

6413


Details: Intron-lariat spliceosome complex low-pass filtered to 60 Angstrom
Final reconstructionNumber classes used: 1 / Applied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.8 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 1.4) / Number images used: 93106
Initial angle assignmentType: PROJECTION MATCHING / Software - Name: RELION (ver. 1.4)
Final angle assignmentType: PROJECTION MATCHING / Software - Name: RELION (ver. 1.4)
Final 3D classificationSoftware - Name: RELION (ver. 1.4)
FSC plot (resolution estimation)

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Atomic model buiding 1

DetailsUsed secondary structure restraints generated in ProSMART and LibG.
RefinementSpace: RECIPROCAL / Protocol: OTHER
Output model

PDB-5lj3:
Structure of the core of the yeast spliceosome immediately after branching

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