Cryo-EM structure of human exon-defined spliceosome in the late pre-B state.
Resolution: 3.2 Å
EM Method: Single-particle
Fitted PDBs: 8h6e
Q-score: 0.236
Zhang W, Zhang X, Zhan X, Bai R, Lei J, Yan C, Shi Y
Cell Res (2024) 34 pp. 428-439 [ DOI: doi:10.1038/s41422-024-00949-w Pubmed: 38658629 ]
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Homo sapiens)
- Exon-defined post pre-b spliceosome (2 MDa, Complex from Homo sapiens)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- Pre-mrna-processing factor 6 (107 kDa, Protein from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp3 (77 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Homo sapiens)
- Serine/threonine-protein kinase prp4 homolog (117 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Rna-binding protein 42 (50 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp4 (58 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp31 (55 kDa, Protein from Homo sapiens)
- Probable atp-dependent rna helicase ddx23 (95 kDa, Protein from Homo sapiens)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 2 (65 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Homo sapiens)
- Pre-mrna (45 kDa, RNA from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm8 (10 kDa, Protein from Homo sapiens)
- Nhp2-like protein 1 (14 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- U4/u6.u5 small nuclear ribonucleoprotein 27 kda protein (18 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- Inositol hexakisphosphate (660 Da, Ligand)
- Zinc ion (65 Da, Ligand)
- U4 snrna (46 kDa, RNA from Homo sapiens)
- Thioredoxin-like protein 4a (16 kDa, Protein from Homo sapiens)
- Isoform sm-b of 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)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 1 (90 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)
Cryo-EM structure of human exon-defined spliceosome in the mature pre-B state.
Resolution: 3.25 Å
EM Method: Single-particle
Fitted PDBs: 8h6j
Q-score: 0.224
Zhang W, Zhang X, Zhan X, Bai R, Lei J, Yan C, Shi Y
Cell Res (2024) 34 pp. 428-439 [ DOI: doi:10.1038/s41422-024-00949-w Pubmed: 38658629 ]
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Homo sapiens)
- Exon-defined post pre-b spliceosome (2 MDa, Complex from Homo sapiens)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- Pre-mrna-processing factor 6 (107 kDa, Protein from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp3 (77 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Homo sapiens)
- Serine/threonine-protein kinase prp4 homolog (117 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Rna-binding protein 42 (50 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp4 (58 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp31 (55 kDa, Protein from Homo sapiens)
- Probable atp-dependent rna helicase ddx23 (95 kDa, Protein from Homo sapiens)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 2 (65 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Homo sapiens)
- Pre-mrna (45 kDa, RNA from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm8 (10 kDa, Protein from Homo sapiens)
- Nhp2-like protein 1 (14 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- U4/u6.u5 small nuclear ribonucleoprotein 27 kda protein (18 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- Inositol hexakisphosphate (660 Da, Ligand)
- Zinc ion (65 Da, Ligand)
- U4 snrna (46 kDa, RNA from Homo sapiens)
- Thioredoxin-like protein 4a (16 kDa, Protein from Homo sapiens)
- Isoform sm-b of 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)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 1 (90 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)
Cryo-EM structure of human exon-defined spliceosome in the mature B state.
Zhang W, Zhang X, Zhan X, Bai R, Lei J, Yan C, Shi Y
Cell Res (2024) 34 pp. 428-439 [ DOI: doi:10.1038/s41422-024-00949-w Pubmed: 38658629 ]
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Peptidyl-prolyl cis-trans isomerase h (19 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor 38a (37 kDa, Protein from Homo sapiens)
- Ww domain-binding protein 4 (42 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Homo sapiens)
- Exon-defined post pre-b spliceosome (2 MDa, Complex from Homo sapiens)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- Pre-mrna-processing factor 6 (107 kDa, Protein from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp3 (77 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Homo sapiens)
- Zinc finger matrin-type protein 2 (23 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp4 (58 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp31 (55 kDa, Protein from Homo sapiens)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- Microfibrillar-associated protein 1 (52 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Homo sapiens)
- Pre-mrna (45 kDa, RNA from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm8 (10 kDa, Protein from Homo sapiens)
- Nhp2-like protein 1 (14 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Ubiquitin-like protein 5 (8 kDa, Protein from Homo sapiens)
- Inositol hexakisphosphate (660 Da, Ligand)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- Wd40 repeat-containing protein smu1 (57 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- U4 snrna (46 kDa, RNA from Homo sapiens)
- Isoform sm-b of small nuclear ribonucleoprotein-associated proteins b and b' (23 kDa, Protein from Homo sapiens)
- Thioredoxin-like protein 4a (16 kDa, Protein from Homo sapiens)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 1 (90 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)
Cryo-EM structure of human exon-defined spliceosome in the early B state.
Resolution: 2.6 Å
EM Method: Single-particle
Fitted PDBs: 8h6l
Q-score: 0.283
Zhang W, Zhang X, Zhan X, Bai R, Lei J, Yan C, Shi Y
Cell Res (2024) 34 pp. 428-439 [ DOI: doi:10.1038/s41422-024-00949-w Pubmed: 38658629 ]
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Peptidyl-prolyl cis-trans isomerase h (19 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Homo sapiens)
- Ww domain-binding protein 4 (42 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Homo sapiens)
- Exon-defined post pre-b spliceosome (2 MDa, Complex from Homo sapiens)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- Pre-mrna-processing factor 6 (107 kDa, Protein from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp3 (77 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp4 (58 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp31 (55 kDa, Protein from Homo sapiens)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Homo sapiens)
- Pre-mrna (45 kDa, RNA from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm8 (10 kDa, Protein from Homo sapiens)
- Nhp2-like protein 1 (14 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Inositol hexakisphosphate (660 Da, Ligand)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- Wd40 repeat-containing protein smu1 (57 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- U4 snrna (46 kDa, RNA from Homo sapiens)
- Isoform sm-b of small nuclear ribonucleoprotein-associated proteins b and b' (23 kDa, Protein from Homo sapiens)
- Thioredoxin-like protein 4a (16 kDa, Protein from Homo sapiens)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 1 (90 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)