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Cryo-EM Structure of the Post-catalytic Spliceosome from Saccharomyces cerevisiae at 3.6 angstrom
Resolution: 3.6 Å
EM Method: Single-particle
Fitted PDBs: 5ylz
Q-score: 0.251
Bai R, Yan C, Wan R, Lei J, Shi Y
Cell (2017) 171 pp. 1589-1598.e8 [ DOI: doi:10.1016/j.cell.2017.10.038 Pubmed: 29153833 ]
- Pre-mrna-splicing factor cwc15 (19 kDa, Protein from Saccharomyces cerevisiae S288c)
- U2 small nuclear ribonucleoprotein b'' (12 kDa, Protein from Saccharomyces cerevisiae S288c)
- Small nuclear ribonucleoprotein sm d3 (11 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-processing factor 17 (52 kDa, Protein from Saccharomyces cerevisiae S288c)
- Mrna/intron lariat (113 kDa, RNA from Saccharomyces cerevisiae S288c)
- Small nuclear ribonucleoprotein sm d2 (12 kDa, Protein from Saccharomyces cerevisiae S288c)
- Zinc ion (65 Da, Ligand)
- U2 snrna (376 kDa, RNA from Saccharomyces cerevisiae S288c)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Saccharomyces cerevisiae S288c)
- U6 snrna (35 kDa, RNA from Saccharomyces cerevisiae S288c)
- Small nuclear ribonucleoprotein sm d1 (16 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor syf2 (24 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor clf1 (82 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor prp46 (50 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor slt11 (40 kDa, Protein from Saccharomyces cerevisiae S288c)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Pre-mrna-splicing factor cwc2 (38 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor slu7 (44 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor cef1 (67 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor 18 (28 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor 8 (279 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-processing protein 45 (42 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor bud31 (18 kDa, Protein from Saccharomyces cerevisiae S288c)
- U5 snrna (68 kDa, RNA from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor cwc21 (15 kDa, Protein from Saccharomyces cerevisiae S288c)
- Small nuclear ribonucleoprotein-associated protein b (22 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor snt309 (20 kDa, Protein from Saccharomyces cerevisiae S288c)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Saccharomyces cerevisiae S288c)
- Inositol hexakisphosphate (660 Da, Ligand)
- Pre-mrna-splicing factor cwc22 (67 kDa, Protein from Saccharomyces cerevisiae S288c)
- U2 small nuclear ribonucleoprotein a' (27 kDa, Protein from Saccharomyces cerevisiae S288c)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Saccharomyces cerevisiae S288c)
- Magnesium ion (24 Da, Ligand)
- Pre-mrna-splicing factor atp-dependent rna helicase prp22 (130 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-processing factor 19 (56 kDa, Protein from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor snu114 (114 kDa, Protein from Saccharomyces cerevisiae S288c)
- The post-catalytic spliceosome (p complex) (Complex from Saccharomyces cerevisiae S288c)
S. cerevisiae spliceosomal post-catalytic P complex
Resolution: 3.3 Å
EM Method: Single-particle
Fitted PDBs: 6bk8
Q-score: 0.38
Liu S, Li X, Zhang L, Jiang J, Hill RC, Cui Y, Hansen KC, Zhou ZH, Zhao R
Science (2017) 358 pp. 1278-1283 [ DOI: doi:10.1126/science.aar3462 Pubmed: 29146870 ]
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Pre-mrna-splicing factor slt11 (40 kDa, Protein from Baker's yeast)
- Inositol hexakisphosphate (660 Da, Ligand)
- Rna (59-mer) (18 kDa, RNA from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Baker's yeast)
- U2 snrna (376 kDa, RNA from Saccharomyces cerevisiae)
- Unknown protein fragment (1 kDa, Protein from Saccharomyces cerevisiae)
- Zinc ion (65 Da, Ligand)
- Lea1 (12 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein-associated protein b (22 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor syf2 (24 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor snu114 (114 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Baker's yeast)
- Pre-mrna-processing factor prp17 (52 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Baker's yeast)
- Pre-mrna-processing protein 45 (42 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d2 (12 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d3 (11 kDa, Protein from Baker's yeast)
- Pre-mrna-processing factor prp19 (56 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc22 (67 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc21 (15 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor atp-dependent rna helicase prp22 (130 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor snt309 (20 kDa, Protein from Baker's yeast)
- U6 snrna (35 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor prp18 (28 kDa, Protein from Baker's yeast)
- Spliceosomal p complex (Complex from Saccharomyces cerevisiae)
- U5 snrna (68 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cef1 (67 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor bud31 (18 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d1 (16 kDa, Protein from Baker's yeast)
- Unknown protein fragment (18 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor prp46 (50 kDa, Protein from Baker's yeast)
- Magnesium ion (24 Da, Ligand)
- Pre-mrna-splicing factor cwc15 (19 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor clf1 (82 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor prp8 (279 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc2 (38 kDa, Protein from Baker's yeast)
- Msl1 (27 kDa, Protein from Baker's yeast)
- Rna (34-mer) (10 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor slu7 (44 kDa, Protein from Baker's yeast)
Post-catalytic P complex spliceosome with 3' splice site docked
Resolution: 3.7 Å
EM Method: Single-particle
Fitted PDBs: 6exn
Q-score: 0.296
Wilkinson ME, Fica SM, Galej WP, Norman CM, Newman AJ, Nagai K
Science (2017) 358 pp. 1283-1288 [ DOI: doi:10.1126/science.aar3729 Pubmed: 29146871 ]
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Pre-mrna-splicing factor slt11 (40 kDa, Protein from Baker's yeast)
- Inositol hexakisphosphate (660 Da, Ligand)
- Pre-mrna-splicing factor cwc16 (32 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Baker's yeast)
- U5 snrna (57 kDa, RNA from Baker's yeast)
- Zinc ion (65 Da, Ligand)
- U2 snrna (376 kDa, RNA from Saccharomyces cerevisiae S288c)
- Small nuclear ribonucleoprotein-associated protein b (22 kDa, Protein from Baker's yeast)
- U2 small nuclear ribonucleoprotein a' (27 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor syf2 (24 kDa, Protein from Baker's yeast)
- U6 snrna (35 kDa, RNA from Baker's yeast)
- Pre-mrna-splicing factor snu114 (114 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d3 (11 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Baker's yeast)
- Pre-mrna-processing protein 45 (42 kDa, Protein from Baker's yeast)
- Unassigned structure (8 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d2 (12 kDa, Protein from Baker's yeast)
- Pre-mrna-processing factor prp17 (52 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc15 (19 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc22 (67 kDa, Protein from Baker's yeast)
- Pre-mrna-processing factor prp19 (56 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc21 (15 kDa, Protein from Baker's yeast)
- Intron lariat: ubc4 rna (30 kDa, RNA from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor atp-dependent rna helicase prp22 (130 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor snt309 (20 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor prp18 (28 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor clf1 (82 kDa, Protein from Baker's yeast)
- P complex spliceosome with 3' exon docked (2 MDa, Complex)
- U2 small nuclear ribonucleoprotein b'' (12 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cef1 (67 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor bud31 (18 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d1 (16 kDa, Protein from Baker's yeast)
- Magnesium ion (24 Da, Ligand)
- Ligated exons: ubc4 mrna (12 kDa, RNA from Saccharomyces cerevisiae S288c)
- P complex spliceosome (Complex from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- Pre-mrna-splicing factor prp8 (279 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc2 (38 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor slu7 (44 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor prp46 (50 kDa, Protein from Baker's yeast)
- 3' exon (Complex from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Structure of a spliceosome remodeled for exon ligation
Resolution: 4.17 Å
EM Method: Single-particle
Fitted PDBs: 5mq0
Q-score: 0.223
Fica SM, Oubridge C, Galej WP, Wilkinson ME, Bai XC, Newman AJ, Nagai K
Nature (2017) 542 pp. 377-380 [ DOI: doi:10.1038/nature21078 Pubmed: 28076345 ]
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Yeast ubc4 gene for ubiquitin-conjugating enzyme (30 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor slu7 (44 kDa, Protein from Baker's yeast)
- Saccharomyces cerevisiae strain wi_c_mbsp_4 chromosome vii sequence (57 kDa, RNA from Baker's yeast)
- Pre-mrna-processing factor 19 (56 kDa, Protein from Baker's yeast)
- Inositol hexakisphosphate (660 Da, Ligand)
- Pre-mrna-splicing factor cwc15 (19 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor snt309 (20 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d1 (16 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor clf1 (82 kDa, Protein from Baker's yeast)
- Unknown protein (5 kDa, Protein from Baker's yeast)
- Zinc ion (65 Da, Ligand)
- Pre-mrna-splicing factor syf1,pre-mrna-splicing factor syf1 (101 kDa, Protein from Baker's yeast)
- Pre-mrna-processing factor 17 (52 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor 18 (28 kDa, Protein from Baker's yeast)
- Saccharomyces cerevisiae strain t.52_2h chromosome xii sequence (35 kDa, RNA from Baker's yeast)
- Pre-mrna-splicing factor bud31 (18 kDa, Protein from Baker's yeast)
- U2 small nuclear ribonucleoprotein a' (27 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor slt11 (40 kDa, Protein from Baker's yeast)
- S.cerevisiae chromosome ii reading frame orf ybr230c (376 kDa, RNA from Baker's yeast)
- Pre-mrna-splicing factor atp-dependent rna helicase prp22 (130 kDa, Protein from Baker's yeast)
- Potassium ion (39 Da, Ligand)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Baker's yeast)
- 5'-exon of ubc4 pre-mrna (6 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cwc21 (15 kDa, Protein from Baker's yeast)
- Saccharomyces cerevisiae spliceosome. complex c just after prp16-mediated remodeling (Complex)
- Pre-mrna-splicing factor prp46 (50 kDa, Protein from Baker's yeast)
- U2 small nuclear ribonucleoprotein b'' (12 kDa, Protein from Baker's yeast)
- 3'-exon of ubc4 pre-mrna, bound by prp22 helicase (873 Da, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cef1 (67 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor snu114 (114 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor syf2 (24 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein-associated protein b (22 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc2 (38 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d2 (12 kDa, Protein from Baker's yeast)
- Pre-mrna-processing protein 45 (42 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc22 (67 kDa, Protein from Baker's yeast)
- Magnesium ion (24 Da, Ligand)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor 8 (279 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d3 (11 kDa, Protein from Baker's yeast)
Structure of a spliceosome remodeled for exon ligation
Fica SM, Galej WP, Wilkinson ME, Oubridge C, Bai X-C, Newman AJ, Nagai K
Nature (2017) 542 pp. 377-380 [ DOI: doi:10.1038/nature21078 Pubmed: 28076345 ]
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Pre-mrna-splicing factor slu7 (44 kDa, Protein from Baker's yeast)
- U6 snrna (35 kDa, RNA from Baker's yeast)
- Inositol hexakisphosphate (660 Da, Ligand)
- Pre-mrna-splicing factor cwc15 (19 kDa, Protein from Baker's yeast)
- Intron of ubc4 pre-mrna (30 kDa, RNA from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein sm d1 (16 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor clf1 (82 kDa, Protein from Baker's yeast)
- Zinc ion (65 Da, Ligand)
- U2 snrna (376 kDa, RNA from Baker's yeast)
- Pre-mrna-splicing factor 18 (28 kDa, Protein from Baker's yeast)
- Unknown protein (5 kDa, Protein from Baker's yeast)
- 5'exon of ubc4 pre-mrna (6 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor bud31 (18 kDa, Protein from Baker's yeast)
- U2 small nuclear ribonucleoprotein a' (27 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor slt11 (40 kDa, Protein from Baker's yeast)
- U5 snrna (57 kDa, RNA from Baker's yeast)
- Pre-mrna-splicing factor atp-dependent rna helicase prp22 (130 kDa, Protein from Baker's yeast)
- Potassium ion (39 Da, Ligand)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc21 (15 kDa, Protein from Baker's yeast)
- 3'exon of ubc4 pre-mrna bound to prp22 helicase (873 Da, RNA from Saccharomyces cerevisiae)
- Saccharomyces cerevisiae spliceosome. complex c just after prp16-mediated remodeling (Complex)
- Pre-mrna-splicing factor snu114 (114 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor prp46 (50 kDa, Protein from Baker's yeast)
- U2 small nuclear ribonucleoprotein b'' (12 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cef1 (67 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor syf2 (24 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein-associated protein b (22 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc2 (38 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d2 (12 kDa, Protein from Baker's yeast)
- Pre-mrna-processing protein 45 (42 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc22 (67 kDa, Protein from Baker's yeast)
- Magnesium ion (24 Da, Ligand)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor 8 (279 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d3 (11 kDa, Protein from Baker's yeast)
- Pre-mrna-processing factor 17 (52 kDa, Protein from Baker's yeast)