Structure of the human U5.U4/U6 tri-snRNP at 2.9A resolution.
Resolution: 2.92 Å
EM Method: Single-particle
Fitted PDBs: 6qw6
Q-score: 0.361
Charenton C, Wilkinson ME, Nagai K
Science (2019) 364 pp. 362-367 [ DOI: doi:10.1126/science.aax3289 Pubmed: 30975767 ]
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (271 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (95 kDa, Protein from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 2 (64 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Homo sapiens)
- Human u4/u6.u5 tri-snrnp (1 MDa, Complex)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- U5.u4/u6 tri-snrnp (Complex from Homo sapiens)
- Probable atp-dependent rna helicase ddx23 (Complex from Homo sapiens)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein 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)
- 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)
- 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)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- Nhp2-like protein 1 (14 kDa, Protein from Homo sapiens)
- U6 snrna (28 kDa, RNA 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)
- 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)
- U4 snrna (46 kDa, RNA from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Thioredoxin-like protein 4a (16 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)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Homo sapiens)
Structure of a human fully-assembled precatalytic spliceosome (pre-B complex).
Resolution: 3.28 Å
EM Method: Single-particle
Fitted PDBs: 6qx9
Q-score: 0.207
Charenton C, Wilkinson ME, Nagai K
Science (2019) 364 pp. 362-367 [ DOI: doi:10.1126/science.aax3289 Pubmed: 30975767 ]
- 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)
- Pre-mrna-processing-splicing factor 8 (271 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 2 (64 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- U1 small nuclear ribonucleoprotein c (17 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 1,splicing factor 3a subunit 1,splicing factor 3a subunit 1 (71 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (95 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- Probable atp-dependent rna helicase ddx23 (Complex from Homo sapiens)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA 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)
- 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)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- Phd finger-like domain-containing protein 5a (11 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp31 (55 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 2 (24 kDa, Protein from Homo sapiens)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- Probable atp-dependent rna helicase ddx23 (95 kDa, Protein from Homo sapiens)
- U1 small nuclear ribonucleoprotein a (31 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- Adml pre-mrna (15 kDa, RNA from Human adenovirus 2)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Homo sapiens)
- Adml pre-mrna (Complex from Human adenovirus 2)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Nhp2-like protein 1 (14 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm8 (10 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Homo sapiens)
- Fully-assembled precatalytic spliceosome (pre-b complex). (Complex from Homo sapiens)
- U1 small nuclear ribonucleoprotein 70 kda (51 kDa, Protein from Homo sapiens)
- 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)
- Pre-mrna-processing factor 6 (97 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Inositol hexakisphosphate (660 Da, Ligand)
- U4 snrna (46 kDa, RNA from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Thioredoxin-like protein 4a (16 kDa, Protein from Homo sapiens)
- U1 snrna (52 kDa, RNA from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 1 (90 kDa, Protein from Homo sapiens)
- Fully-assembled precatalytic spliceosome (pre-b complex). (3 MDa, Complex)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Homo sapiens)
Human post-catalytic spliceosome (P complex) stalled with DHX8 K594A mutant, overall map
Resolution: 3.3 Å
EM Method: Single-particle
Fitted PDBs: 6qdv
Q-score: 0.278
Fica SM, Oubridge C, Wilkinson ME, Newman AJ, Nagai K
Science (2019) 363 pp. 710-714 [ DOI: doi:10.1126/science.aaw5569 Pubmed: 30705154 ]
- Human post-catalytic p complex spliceosome (3 MDa, Complex)
- Intron lariat: minx rna (27 kDa, RNA from Human adenovirus 2)
- U2 small nuclear ribonucleoprotein b'' (10 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Human post-catalytic p complex spliceosome (Complex from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (101 kDa, Protein from Homo sapiens)
- Protein fam32a (7 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (9 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Peptidyl-prolyl cis-trans isomerase-like 1 (18 kDa, Protein from Homo sapiens)
- Crooked neck-like protein 1 (100 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (8 kDa, Protein from Homo sapiens)
- Serine/arginine repetitive matrix protein 2 (2 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor cwc22 homolog (105 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (9 kDa, Protein from Homo sapiens)
- Cactin (15 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- Potassium ion (39 Da, Ligand)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Atp-dependent rna helicase dhx8 (139 kDa, Protein from Homo sapiens)
- Adenosine-5'-triphosphate (507 Da, Ligand)
- Prkr-interacting protein 1 (14 kDa, Protein from Homo sapiens)
- Protein bud31 homolog (17 kDa, Protein from Homo sapiens)
- U5 snrna (36 kDa, RNA from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (197 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (9 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor rbm22 (33 kDa, Protein from Homo sapiens)
- Eukaryotic initiation factor 4a-iii, n-terminally processed (44 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (34 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Pre-mrna-splicing factor syf2 (17 kDa, Protein from Homo sapiens)
- Snw domain-containing protein 1 (33 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein-associated proteins b and b' (9 kDa, Protein from Homo sapiens)
- Atp-dependent rna helicase dhx8 (Complex from Homo sapiens)
- Pre-mrna-processing factor 17 (59 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Replication stress response regulator sde2 (4 kDa, Protein from Homo sapiens)
- Cell division cycle 5-like protein (92 kDa, Protein from Homo sapiens)
- Protein mago nashi homolog 2 (16 kDa, Protein from Homo sapiens)
- Ligated exons: minx mrna (4 kDa, RNA from Human adenovirus 2)
- Pre-mrna-processing factor 19 (55 kDa, Protein from Homo sapiens)
- Rna-binding protein 8a (10 kDa, Protein from Homo sapiens)
- Intron-binding protein aquarius (171 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor slu7 (68 kDa, Protein from Homo sapiens)
- Nf-kappa-b-activating protein (3 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (18 kDa, Protein from Homo sapiens)
- Pleiotropic regulator 1 (35 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor spf27 (26 kDa, Protein from Homo sapiens)
- Minx introns and exons (Complex from Human adenovirus 2)
- Inositol hexakisphosphate (660 Da, Ligand)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Homo sapiens)
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 ]
- Small nuclear ribonucleoprotein sm d1 (16 kDa, Protein from Baker's yeast)
- U6 snrna (35 kDa, RNA from Baker's yeast)
- Pre-mrna-splicing factor prp8 (279 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc22 (67 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor slt11 (40 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cef1 (67 kDa, Protein from Baker's yeast)
- Unassigned structure (8 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc2 (38 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Baker's yeast)
- U2 small nuclear ribonucleoprotein b'' (12 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor prp46 (50 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 cwc21 (15 kDa, Protein from Baker's yeast)
- U5 snrna (57 kDa, RNA from Baker's yeast)
- 3' exon (Complex from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- Pre-mrna-splicing factor snu114 (114 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor prp18 (28 kDa, Protein from Baker's yeast)
- Ligated exons: ubc4 mrna (12 kDa, RNA from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor clf1 (82 kDa, Protein from Baker's yeast)
- Small nuclear ribonucleoprotein sm d3 (11 kDa, Protein from Baker's yeast)
- Intron lariat: ubc4 rna (30 kDa, RNA from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor slu7 (44 kDa, Protein from Baker's yeast)
- Magnesium ion (24 Da, Ligand)
- U2 small nuclear ribonucleoprotein a' (27 kDa, Protein from Baker's yeast)
- Pre-mrna-processing factor prp19 (56 kDa, Protein from Baker's yeast)
- Zinc ion (65 Da, Ligand)
- U2 snrna (376 kDa, RNA from Saccharomyces cerevisiae S288c)
- Pre-mrna-splicing factor snt309 (20 kDa, Protein from Baker's yeast)
- Inositol hexakisphosphate (660 Da, Ligand)
- Small nuclear ribonucleoprotein sm d2 (12 kDa, Protein from Baker's yeast)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Pre-mrna-processing protein 45 (42 kDa, Protein from Baker's yeast)
- Pre-mrna-processing factor prp17 (52 kDa, Protein from Baker's yeast)
- P complex spliceosome with 3' exon docked (2 MDa, Complex)
- 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)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Baker's yeast)
- P complex spliceosome (Complex from Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
- Pre-mrna-splicing factor cwc15 (19 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor bud31 (18 kDa, Protein from Baker's yeast)
- Pre-mrna-splicing factor cwc16 (32 kDa, Protein from Baker's yeast)