Cryo-EM structure of the cross-exon pre-B+AMPPNP complex
Resolution: 6.1 Å
EM Method: Single-particle
Fitted PDBs: 8r08
Q-score: 0.133
Zhang Z, Kumar V, Dybkov O, Will CL, Zhong J, Ludwig SEJ, Urlaub H, Kastner B, Stark H, Luhrmann R
Nature (2024) 630 pp. 1012-1019 [ DOI: doi:10.1038/s41586-024-07458-1 Pubmed: 38778104 ]
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Ubiquitin carboxyl-terminal hydrolase 39 (65 kDa, Protein from Homo sapiens)
- U4 snrna (46 kDa, RNA from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp31 (55 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp4 (58 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein b'' (25 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)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Homo sapiens)
- Nhp2-like protein 1, n-terminally processed (14 kDa, Protein from Homo sapiens)
- Thioredoxin-like protein 4a (16 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Homo sapiens)
- Pre-mrna-processing factor 6 (107 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)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp3 (77 kDa, Protein from Homo sapiens)
- Human spliceosomal pre-b+amppnp complex (Complex from Homo sapiens)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- Oligo 1 (1 kDa, RNA from Homo sapiens)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Homo sapiens)
- Rna-binding protein 42 (50 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm8 (10 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Probable atp-dependent rna helicase ddx23 (95 kDa, Protein from Homo sapiens)
- Pre-mrna (4 kDa, RNA from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 1 (90 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- Serine/threonine-protein kinase prp4 homolog (117 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- U1 small nuclear ribonucleoprotein 70 kda (51 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Homo sapiens)
- U4/u6.u5 small nuclear ribonucleoprotein 27 kda protein (18 kDa, Protein from Homo sapiens)
- U1 snrna (52 kDa, RNA from Homo sapiens)
Cryo-EM structure of the cross-exon pre-B+5'ssLNG+ATPyS complex
Resolution: 6.9 Å
EM Method: Single-particle
Fitted PDBs: 8rm5
Q-score: 0.109
Zhang Z, Kumar V, Dybkov O, Will CL, Zhong J, Ludwig SEJ, Urlaub H, Kastner B, Stark H, Luhrmann R
Nature (2024) 630 pp. 1012-1019 [ DOI: doi:10.1038/s41586-024-07458-1 Pubmed: 38778104 ]
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Ubiquitin carboxyl-terminal hydrolase 39 (65 kDa, Protein from Homo sapiens)
- U4 snrna (46 kDa, RNA from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp31 (55 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp4 (58 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein b'' (25 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)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Homo sapiens)
- Nhp2-like protein 1, n-terminally processed (14 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Homo sapiens)
- Thioredoxin-like protein 4a (16 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Homo sapiens)
- Pre-mrna-processing factor 6 (107 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)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp3 (77 kDa, Protein from Homo sapiens)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- 5'ss oligo (5 kDa, RNA from Homo sapiens)
- Pre-mrna (111 kDa, RNA from Homo sapiens)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm8 (10 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Probable atp-dependent rna helicase ddx23 (95 kDa, Protein from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 1 (90 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- Peptidyl-prolyl cis-trans isomerase h (19 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- Human spliceosomal pre-b+5'sslng+atpys complex (Complex from Homo sapiens)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Homo sapiens)
Resolution: 7.8 Å
EM Method: Single-particle
Fitted PDBs: 7abg
Q-score: 0.147
Townsend C, Leelaram MN, Agafonov DE, Dybkov O, Will CL, Bertram K, Urlaub H, Kastner B, Stark H, Luhrmann R
Science (2020) 370 [ DOI: doi:10.1126/science.abc3753 Pubmed: 33243851 ]
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Protein bud31 homolog (17 kDa, Protein from Homo sapiens)
- U5 snrna (36 kDa, RNA from Homo sapiens)
- Nuclear cap-binding protein subunit 1 (91 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)
- Transcription elongation regulator 1 (124 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- 7-methyl-guanosine-5'-triphosphate-5'-guanosine (803 Da, Ligand)
- U2 small nuclear ribonucleoprotein b'' (25 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)
- Cell division cycle 5-like protein (92 kDa, Protein from Homo sapiens)
- Smad nuclear-interacting protein 1 (45 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
- Nuclear cap-binding protein subunit 2 (18 kDa, Protein from Homo sapiens)
- Pleiotropic regulator 1 (57 kDa, Protein from Homo sapiens)
- Snw domain-containing protein 1 (61 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor rbm22 (46 kDa, Protein from Homo sapiens)
- Zinc finger matrin-type protein 2 (23 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm8 (10 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Microfibrillar-associated protein 1 (52 kDa, Protein from Homo sapiens)
- Ww domain-binding protein 11 (70 kDa, Protein from Homo sapiens)
- Serine/arginine repetitive matrix protein 1 (102 kDa, Protein from Homo sapiens)
- Ubiquitin-like protein 5 (8 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor 38a (37 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Homo sapiens)
- Serine/arginine-rich splicing factor 1 (27 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- Pre-bact-1 spliceosomal complex (Complex)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Homo sapiens)
- Inositol hexakisphosphate (660 Da, Ligand)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- Pre-bact-1 spliceosomal complex (Complex from Homo sapiens)
- Minx m3 pre-mrna (73 kDa, RNA from synthetic construct)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Homo sapiens)
Resolution: 7.1 Å
EM Method: Single-particle
Fitted PDBs: 6y53
Q-score: 0.057
Zhang Z, Will CL, Bertram K, Dybkov O, Hartmuth K, Agafonov DE, Hofele R, Urlaub H, Kastner B, Luhrmann R, Stark H
Nature (2020) 583 pp. 310-313 [ Pubmed: 32494006 DOI: doi:10.1038/s41586-020-2344-3 ]
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein b'' (25 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)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Homo sapiens)
- Probable atp-dependent rna helicase ddx46 (117 kDa, Protein from Homo sapiens)
- Hiv tat-specific factor 1 (85 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)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- Human 17s u2 snrnp (Complex from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
Cryo-EM structure of the human activated spliceosome (late Bact) at 6.5 angstrom
Resolution: 6.5 Å
EM Method: Single-particle
Fitted PDBs: 5z57
Q-score: 0.097
Zhang X, Yan C, Zhan X, Li L, Lei J, Shi Y
Cell Res (2018) 28 pp. 307-322 [ Pubmed: 29360106 DOI: doi:10.1038/cr.2018.14 ]
- Peptidyl-prolyl cis-trans isomerase e (33 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Protein bud31 homolog (17 kDa, Protein from Homo sapiens)
- Bud13 homolog (70 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Cell division cycle 5-like protein (92 kDa, Protein from Homo sapiens)
- Smad nuclear-interacting protein 1 (45 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Homo sapiens)
- Crooked neck-like protein 1 (100 kDa, Protein from Homo sapiens)
- Alanine (89 Da, Ligand)
- Pre-mrna-splicing factor atp-dependent rna helicase dhx16 (119 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Pre-mrna-processing factor 17 (65 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)
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- Pre-mrna-processing factor 19 (55 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- Intron-binding protein aquarius (171 kDa, Protein from Homo sapiens)
- Pleiotropic regulator 1 (57 kDa, Protein from Homo sapiens)
- Rna-binding motif protein, x-linked 2 (37 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor rbm22 (46 kDa, Protein from Homo sapiens)
- Skip (62 kDa, Protein from Homo sapiens)
- Serine/arginine repetitive matrix protein 2 (300 kDa, Protein from Homo sapiens)
- Peptidyl-prolyl cis-trans isomerase-like 1 (18 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Homo sapiens)
- Pre-mrna (87 kDa, RNA from unidentified adenovirus)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Homo sapiens)
- Inositol hexakisphosphate (660 Da, Ligand)
- Small nuclear ribonucleoprotein-associated proteins b and b' (23 kDa, Protein from Homo sapiens)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor spf27 (26 kDa, Protein from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Late bact splieosome (Complex from Homo sapiens)
- Pre-mrna-splicing factor cwc22 homolog (105 kDa, Protein from Homo sapiens)
Structure of a pre-catalytic spliceosome (B2 map)
Resolution: 7.2 Å
EM Method: Single-particle
Fitted PDBs: 5nrl
Q-score: 0.117
Nature (2017) 546 pp. 617-621 [ Pubmed: 28530653 DOI: doi:10.1038/nature22799 ]
- U6 snrna (35 kDa, RNA from Saccharomyces cerevisiae)
- U6 snrna-associated sm-like protein lsm8 (12 kDa, Protein from Saccharomyces cerevisiae)
- U4/u6 small nuclear ribonucleoprotein prp4 (52 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor rds3 (12 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor snu114 (114 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein sm d1 (16 kDa, Protein from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Saccharomyces cerevisiae )
- Small nuclear ribonucleoprotein sm d3 (11 kDa, Protein from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- Pre-mrna-splicing factor 8 (279 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- Pre-mrna-splicing helicase brr2 (246 kDa, Protein from Saccharomyces cerevisiae)
- U2 small nuclear ribonucleoprotein a' (27 kDa, Protein from Saccharomyces cerevisiae)
- 13 kda ribonucleoprotein-associated protein (13 kDa, Protein from Saccharomyces cerevisiae)
- U6 snrna-associated sm-like protein lsm7 (13 kDa, Protein from Saccharomyces cerevisiae)
- Protein hsh49 (24 kDa, Protein from Saccharomyces cerevisiae)
- U4/u6 small nuclear ribonucleoprotein prp3 (55 kDa, Protein from Saccharomyces cerevisiae)
- Yeast ubc4 gene for ubiquitin-conjugating enzyme (30 kDa, RNA from Saccharomyces cerevisiae)
- U2 snrna (376 kDa, RNA from Saccharomyces cerevisiae)
- Unknown (7 kDa, Protein from Saccharomyces cerevisiae)
- U6 snrna-associated sm-like protein lsm3 (10 kDa, Protein from Saccharomyces cerevisiae)
- U6 snrna-associated sm-like protein lsm5 (10 kDa, Protein from Saccharomyces cerevisiae)
- U5 snrna (68 kDa, RNA from Saccharomyces cerevisiae)
- U2 small nuclear ribonucleoprotein b'' (12 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-processing factor 31 (56 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor rse1 (153 kDa, Protein from Saccharomyces cerevisiae)
- U4 snrna (51 kDa, RNA from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor prp21 (33 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein-associated protein b (22 kDa, Protein from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- Zinc ion (65 Da, Ligand)
- U2 snrnp component hsh155 (110 kDa, Protein from Saccharomyces cerevisiae)
- U6 snrna-associated sm-like protein lsm4 (21 kDa, Protein from Saccharomyces cerevisiae )
- Pre-mrna-splicing factor prp11 (29 kDa, Protein from Saccharomyces cerevisiae)
- 66 kda u4/u6.u5 small nuclear ribonucleoprotein component (66 kDa, Protein from Saccharomyces cerevisiae)
- Cold sensitive u2 snrna suppressor 1 (50 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor prp9 (63 kDa, Protein from Saccharomyces cerevisiae)
- 23 kda u4/u6.u5 small nuclear ribonucleoprotein component (22 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein sm d2 (12 kDa, Protein from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- Pre-mrna-splicing factor 6 (104 kDa, Protein from Saccharomyces cerevisiae)
- U6 snrna-associated sm-like protein lsm2 (11 kDa, Protein from Saccharomyces cerevisiae)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- Pre-mrna-splicing factor 38 (27 kDa, Protein from Saccharomyces cerevisiae)
- Pre-mrna-splicing factor spp381 (33 kDa, Protein from Saccharomyces cerevisiae)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Rds3 complex subunit 10 (10 kDa, Protein from Saccharomyces cerevisiae )
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- Spliceosomal protein dib1 (16 kDa, Protein from Saccharomyces cerevisiae)
- Pre-catalytic b complex spliceosome (2 MDa, Complex from Saccharomyces cerevisiae)