Overall structure of the U11 snRNP
Resolution: 3.4 Å
EM Method: Single-particle
Fitted PDBs: 8r7n
Q-score: 0.306
Zhao J, Peter D, Brandina I, Liu X, Galej WP
Mol Cell (2025) 85 pp. 652- [ Pubmed: 39809272 DOI: doi:10.1016/j.molcel.2024.12.017 ]
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- U11/u12 small nuclear ribonucleoprotein 48 kda protein (40 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- U11/u12 small nuclear ribonucleoprotein 35 kda protein (29 kDa, Protein from Homo sapiens)
- Zinc finger matrin-type protein 5 (20 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- U11/u12 small nuclear ribonucleoprotein 25 kda protein (15 kDa, Protein from Homo sapiens)
- Overall structure of the apo-u11 snrnp (300 kDa, Complex from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Homo sapiens)
- Programmed cell death protein 7 (54 kDa, Protein from Homo sapiens)
- U11 snrna (43 kDa, RNA from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
Overall structure of the substrate-bound U11 snRNP
Resolution: 3.5 Å
EM Method: Single-particle
Fitted PDBs: 9gbw
Q-score: 0.32
Zhao J, Peter D, Brandina I, Liu X, Galej WP
Mol Cell (2025) 85 pp. 652- [ Pubmed: 39809272 DOI: doi:10.1016/j.molcel.2024.12.017 ]
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- U11/u12 small nuclear ribonucleoprotein 48 kda protein (40 kDa, Protein from Homo sapiens)
- Overall structure of the substrate-bound u11 snrnp (400 kDa, Complex from Homo sapiens)
- P120-5'ss (3 kDa, RNA from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- U11/u12 small nuclear ribonucleoprotein 35 kda protein (29 kDa, Protein from Homo sapiens)
- Zinc finger matrin-type protein 5 (20 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- U11/u12 small nuclear ribonucleoprotein 25 kda protein (15 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Homo sapiens)
- Programmed cell death protein 7 (54 kDa, Protein from Homo sapiens)
- U11 snrna (43 kDa, RNA from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
3'-lobe of the substrate-bound U11 snRNP
Resolution: 3.2 Å
EM Method: Single-particle
Fitted PDBs: 9gc0
Q-score: 0.393
Zhao J, Peter D, Brandina I, Liu X, Galej WP
Mol Cell (2025) 85 pp. 652- [ Pubmed: 39809272 DOI: doi:10.1016/j.molcel.2024.12.017 ]
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- U11/u12 small nuclear ribonucleoprotein 48 kda protein (40 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- Zinc finger matrin-type protein 5 (20 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- Programmed cell death protein 7 (54 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Homo sapiens)
- 3'-lobe of the substrate-bound u11 snrnp (300 kDa, Complex from Homo sapiens)
- U11 snrna (43 kDa, RNA from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
Structure of the U11 snRNP C-lobe
Resolution: 3.0 Å
EM Method: Single-particle
Fitted PDBs: 9gcl
Q-score: 0.413
Zhao J, Peter D, Brandina I, Liu X, Galej WP
Mol Cell (2025) 85 pp. 652- [ Pubmed: 39809272 DOI: doi:10.1016/j.molcel.2024.12.017 ]
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- U11 snrna (43 kDa, RNA from Homo sapiens)
- U11/u12 small nuclear ribonucleoprotein 48 kda protein (40 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- Zinc finger matrin-type protein 5 (20 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Homo sapiens)
- Structure of the apo-u11 snrnp 3-lobe (300 kDa, Complex from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
Structure of the human 20S U5 snRNP core
Resolution: 3.1 Å
EM Method: Single-particle
Fitted PDBs: 8q91
Q-score: 0.417
Schneider S, Brandina I, Peter D, Lagad S, Fraudeau A, Portell-Montserrat J, Tholen J, Zhao J, Galej WP
Nat Struct Mol Biol (2024) 31 pp. 752-756 [ DOI: doi:10.1038/s41594-024-01250-5 Pubmed: 38467877 ]
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Pre-mrna-processing factor 6 (107 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- Probable atp-dependent rna helicase ddx23 (95 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- 20s u5 snrnp complex purified from hek293f cell line (1 MDa, Complex from Homo sapiens)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- Cd2 antigen cytoplasmic tail-binding protein 2 (37 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
Structure of the human 20S U5 snRNP
Resolution: 3.2 Å
EM Method: Single-particle
Fitted PDBs: 8rc0
Q-score: 0.309
Schneider S, Brandina I, Peter D, Lagad S, Fraudeau A, Portell-Montserrat J, Tholen J, Zhao J, Galej WP
Nat Struct Mol Biol (2024) 31 pp. 752-756 [ DOI: doi:10.1038/s41594-024-01250-5 Pubmed: 38467877 ]
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Pre-mrna-processing factor 6 (107 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- Probable atp-dependent rna helicase ddx23 (95 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- 20s u5 snrnp complex purified from hek293f cell line (1 MDa, Complex from Homo sapiens)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- Cd2 antigen cytoplasmic tail-binding protein 2 (37 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
Yeast C complex spliceosome at 2.8 Angstrom resolution with Prp18/Slu7 bound, composite map
Resolution: 2.8 Å
EM Method: Single-particle
Fitted PDBs: 7b9v
Q-score: 0.378
Wilkinson ME, Fica SM, Galej WP, Nagai K
Mol Cell (2021) 81 pp. 1439- [ DOI: doi:10.1016/j.molcel.2021.02.021 Pubmed: 33705709 ]
- Pre-mrna-splicing factor atp-dependent rna helicase prp16 (121 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein-associated protein b (22 kDa, Protein from Saccharomyces cerevisiae)
- U6 snrna (35 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor snu114 (114 kDa, Protein from Saccharomyces cerevisiae)
- Bj4_g0054360.mrna.1.cds.1 (50 kDa, Protein from Saccharomyces cerevisiae)
- Potassium ion (39 Da, Ligand)
- Pre-mrna-splicing factor 8 (279 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor isy1 (27 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing helicase brr2 (246 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor syf2 (24 kDa, Protein from Saccharomyces cerevisiae)
- Cdc40 isoform 1 (52 kDa, Protein from Saccharomyces cerevisiae)
- Bud31 isoform 1 (18 kDa, Protein from Saccharomyces cerevisiae)
- Magnesium ion (24 Da, Ligand)
- Ntc20 isoform 1 (15 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cwc21 (15 kDa, Protein from Saccharomyces cerevisiae)
- U2 snrna (376 kDa, RNA from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein sm d3 (11 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor slt11 (40 kDa, Protein from Saccharomyces cerevisiae)
- 5' exon of ubc4 mrna (15 kDa, RNA from Saccharomyces cerevisiae)
- Splicing factor yju2 (33 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor slu7 (44 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-processing factor 19 (56 kDa, Protein from Saccharomyces cerevisiae)
- U5 snrna (68 kDa, RNA from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein sm d1 (16 kDa, Protein from Saccharomyces cerevisiae)
- Bj4_g0027490.mrna.1.cds.1 (12 kDa, Protein from Saccharomyces cerevisiae)
- D-chiro inositol hexakisphosphate (660 Da, Ligand)
- Pre-mrna-processing protein 45 (42 kDa, Protein from Saccharomyces cerevisiae)
- Y55_g0042700.mrna.1.cds.1 (67 kDa, Protein from Saccharomyces cerevisiae)
- Zinc ion (65 Da, Ligand)
- Small nuclear ribonucleoprotein sm d2 (12 kDa, Protein from Saccharomyces cerevisiae)
- Cwc22 isoform 1 (67 kDa, Protein from Saccharomyces cerevisiae)
- Clf1 isoform 1 (82 kDa, Protein from Saccharomyces cerevisiae)
- Hlj1_g0053790.mrna.1.cds.1 (27 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cwc25 (20 kDa, Protein from Saccharomyces cerevisiae)
- Yeast c complex spliceosome with prp18/slu7 bound (2 MDa, Complex from Saccharomyces cerevisiae)
- Syf1 isoform 1 (100 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor 18 (28 kDa, Protein from Saccharomyces cerevisiae)
- Snt309 isoform 1 (20 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cwc2 (38 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Saccharomyces cerevisiae)
- Branched intron and 3' exon of ubc4 pre-mrna (30 kDa, RNA from Saccharomyces cerevisiae)
- Unassigned structure (20 kDa, Protein from Saccharomyces cerevisiae)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Pre-mrna-splicing factor cwc15 (19 kDa, Protein from Saccharomyces cerevisiae)
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 [ Pubmed: 29146871 DOI: doi:10.1126/science.aar3729 ]
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Baker's yeast)
- Ligated exons: ubc4 mrna (12 kDa, RNA from Saccharomyces cerevisiae S288c)
- Pre-mrna-processing factor prp19 (56 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor atp-dependent rna helicase prp22 (130 kDa, Protein from Baker's yeast)
- Pre-mrna-processing factor prp17 (52 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor bud31 (18 kDa, Protein from Baker's yeast)
- U2 snrna (376 kDa, RNA from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor prp8 (279 kDa, Protein from Baker's yeast)
- U2 small nuclear ribonucleoprotein b'' (12 kDa, Protein from Baker's yeast)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- 3' exon (Complex from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- Small nuclear ribonucleoprotein sm d3 (11 kDa, Protein from Baker's yeast)
- Magnesium ion (24 Da, Ligand)
- Pre-mrna-splicing factor snt309 (20 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc16 (32 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor syf2 (24 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Baker's yeast)
- U5 snrna (57 kDa, RNA from Baker's yeast)
- Intron lariat: ubc4 rna (30 kDa, RNA from Saccharomyces cerevisiae S288c)
- U6 snrna (35 kDa, RNA from Baker's yeast)
- Unassigned structure (8 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Baker's yeast)
- P complex spliceosome with 3' exon docked (2 MDa, Complex)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Baker's yeast)
- U2 small nuclear ribonucleoprotein a' (27 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d2 (12 kDa, Protein from Baker's yeast)
- P complex spliceosome (Complex from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- Small nuclear ribonucleoprotein-associated protein b (22 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc21 (15 kDa, Protein from Baker's yeast)
- Zinc ion (65 Da, Ligand)
- Pre-mrna-processing protein 45 (42 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d1 (16 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor prp46 (50 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor slt11 (40 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor clf1 (82 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor snu114 (114 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc2 (38 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cef1 (67 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc22 (67 kDa, Protein from Baker's yeast)
- Inositol hexakisphosphate (660 Da, Ligand)
- Pre-mrna-splicing factor prp18 (28 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc15 (19 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor slu7 (44 kDa, Protein from Baker's yeast)
Structure of a spliceosome remodeled for exon ligation
Resolution: 3.85 Å
EM Method: Single-particle
Fitted PDBs: 5mps
Q-score: 0.356
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 ]
- Small nuclear ribonucleoprotein-associated protein b (22 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor snu114 (114 kDa, Protein from Saccharomyces cerevisiae)
- Potassium ion (39 Da, Ligand)
- Saccharomyces cerevisiae strain t.52_2h chromosome xii sequence (35 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor 8 (279 kDa, Protein from Saccharomyces cerevisiae)
- Unknown (5 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor syf2 (24 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor prp46 (50 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor syf1 (101 kDa, Protein from Saccharomyces cerevisiae)
- Magnesium ion (24 Da, Ligand)
- Yeast ubc4 gene for ubiquitin-conjugating enzyme (30 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cwc21 (15 kDa, Protein from Saccharomyces cerevisiae)
- U2 snrna (376 kDa, RNA from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein sm d3 (11 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor slt11 (40 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor bud31 (18 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor slu7 (44 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein sm d1 (16 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-processing factor 17 (52 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-processing protein 45 (42 kDa, Protein from Saccharomyces cerevisiae)
- Zinc ion (65 Da, Ligand)
- U5 snrna (57 kDa, RNA from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein sm d2 (12 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cef1 (67 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor 18 (28 kDa, Protein from Saccharomyces cerevisiae)
- Saccharomyces cerevisiae spliceosome. complex c just after prp16-mediated remodeling (Complex)
- Pre-mrna-splicing factor cwc2 (38 kDa, Protein from Saccharomyces cerevisiae)
- Inositol hexakisphosphate (660 Da, Ligand)
- Ubc4 gene exon (6 kDa, RNA from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Saccharomyces cerevisiae)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Pre-mrna-splicing factor cwc22 (67 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cwc15 (19 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor clf1 (82 kDa, Protein from Saccharomyces cerevisiae)
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 ]
- Small nuclear ribonucleoprotein-associated protein b (22 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor snu114 (114 kDa, Protein from Saccharomyces cerevisiae)
- Potassium ion (39 Da, Ligand)
- 5'-exon of ubc4 pre-mrna (6 kDa, RNA from Saccharomyces cerevisiae)
- Saccharomyces cerevisiae strain t.52_2h chromosome xii sequence (35 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor snt309 (20 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor 8 (279 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor syf2 (24 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor prp46 (50 kDa, Protein from Saccharomyces cerevisiae)
- 3'-exon of ubc4 pre-mrna, bound by prp22 helicase (873 Da, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor syf1,pre-mrna-splicing factor syf1 (101 kDa, Protein from Saccharomyces cerevisiae)
- Magnesium ion (24 Da, Ligand)
- Yeast ubc4 gene for ubiquitin-conjugating enzyme (30 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cwc21 (15 kDa, Protein from Saccharomyces cerevisiae)
- S.cerevisiae chromosome ii reading frame orf ybr230c (376 kDa, RNA from Saccharomyces cerevisiae)
- Saccharomyces cerevisiae strain wi_c_mbsp_4 chromosome vii sequence (57 kDa, RNA from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein sm d3 (11 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor slt11 (40 kDa, Protein from Saccharomyces cerevisiae)
- Unknown protein (5 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor bud31 (18 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor slu7 (44 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-processing factor 19 (56 kDa, Protein from Saccharomyces cerevisiae)
- U2 small nuclear ribonucleoprotein b'' (12 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein sm d1 (16 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-processing factor 17 (52 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-processing protein 45 (42 kDa, Protein from Saccharomyces cerevisiae)
- Zinc ion (65 Da, Ligand)
- Small nuclear ribonucleoprotein sm d2 (12 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cef1 (67 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor atp-dependent rna helicase prp22 (130 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor 18 (28 kDa, Protein from Saccharomyces cerevisiae)
- Saccharomyces cerevisiae spliceosome. complex c just after prp16-mediated remodeling (Complex)
- Pre-mrna-splicing factor cwc2 (38 kDa, Protein from Saccharomyces cerevisiae)
- Inositol hexakisphosphate (660 Da, Ligand)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Saccharomyces cerevisiae)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Pre-mrna-splicing factor cwc22 (67 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor cwc15 (19 kDa, Protein from Saccharomyces cerevisiae)
- U2 small nuclear ribonucleoprotein a' (27 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor clf1 (82 kDa, Protein from Saccharomyces cerevisiae)