Human spliceosomal PM5 C* complex
Resolution: 2.8 Å
EM Method: Single-particle
Fitted PDBs: 8c6j
Q-score: 0.353
Dybkov O, Preussner M, El Ayoubi L, Feng VY, Harnisch C, Merz K, Leupold P, Yudichev P, Agafonov DE, Will CL, Girard C, Dienemann C, Urlaub H, Kastner B, Heyd F, Luehrmann R
Sci Adv (2023) 9 pp. eadf1785- [ Pubmed: 36867703 DOI: doi:10.1126/sciadv.adf1785 ]
- 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-splicing factor isy1 homolog (33 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor syf2 (28 kDa, Protein from Homo sapiens)
- Human spliceosomal c* complex assembled on pm5 pre-mrna (Complex from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor rbm22 (46 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)
- Prkr-interacting protein 1 (21 kDa, Protein from Homo sapiens)
- Pre-mrna-processing factor 17 (65 kDa, Protein from Homo sapiens)
- Nitric oxide synthase-interacting protein (33 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor cwc22 homolog (57 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- Pm5 intron (74 kDa, RNA from Homo sapiens)
- Potassium ion (39 Da, Ligand)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- Protein fam50a (40 kDa, Protein from Homo sapiens)
- Peptidyl-prolyl cis-trans isomerase-like 3 (18 kDa, Protein from Homo sapiens)
- Atp-dependent rna helicase dhx8 (139 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Splicing factor cactin (88 kDa, Protein from Homo sapiens)
- Adenosine-5'-triphosphate (507 Da, Ligand)
- Protein bud31 homolog (17 kDa, Protein from Homo sapiens)
- U5 snrna (36 kDa, RNA from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Sting er exit protein (25 kDa, Protein from Homo sapiens)
- Probable atp-dependent rna helicase ddx41 (69 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Crooked neck-like protein 1 (83 kDa, Protein from Homo sapiens)
- Serine/arginine repetitive matrix protein 2 (300 kDa, Protein from Homo sapiens)
- Rna-binding protein 8a (19 kDa, Protein from Homo sapiens)
- Protein fam32a (13 kDa, Protein from Homo sapiens)
- Snw domain-containing protein 1 (61 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- Peptidyl-prolyl cis-trans isomerase-like 1 (18 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Homo sapiens)
- Splicing regulator sde2 (49 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- Protein mago nashi homolog (17 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Homo sapiens)
- Inositol hexakisphosphate (660 Da, Ligand)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Eukaryotic initiation factor 4a-iii (46 kDa, Protein from Homo sapiens)
- Pleiotropic regulator 1 (57 kDa, Protein from Homo sapiens)
- Cell division cycle 5-like protein (92 kDa, Protein from Homo sapiens)
- Pre-mrna-processing factor 19 (55 kDa, Protein from Homo sapiens)
- Intron-binding protein aquarius (171 kDa, Protein from Homo sapiens)
- Pm5 5' exon (78 kDa, RNA 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)
- Splicing factor ess-2 homolog (52 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor spf27 (26 kDa, Protein from Homo sapiens)
- Peptidyl-prolyl cis-trans isomerase e (33 kDa, Protein from Homo sapiens)
- Splicing factor c9orf78 (33 kDa, Protein from Homo sapiens)
- Nf-kappa-b-activating protein (47 kDa, Protein from Homo sapiens)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Homo sapiens)
Structural organization of a late activated human spliceosome (Baqr, core region)
Resolution: 3.1 Å
EM Method: Single-particle
Fitted PDBs: 7qtt
Q-score: 0.384
Schmitzova J, Cretu C, Dienemann C, Urlaub H, Pena V
Nature (2023) 617 pp. 842-850 [ DOI: doi:10.1038/s41586-023-06049-w Pubmed: 37165190 ]
- Splicing factor 3b subunit 4 (44 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)
- U2snrna (60 kDa, RNA from Homo sapiens)
- Pre-mrna-splicing factor rbm22 (46 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- G-patch domain and kow motifs-containing protein (52 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- Late human activated spliceosome arrested with a dominant-negative mutant of the splicing helicase aquarius (aquarius k829a) (Complex from Homo sapiens)
- Crooked neck-like protein 1 (100 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor cwc22 homolog (105 kDa, Protein from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Snw domain-containing protein 1 (61 kDa, Protein from Homo sapiens)
- Minx (102 kDa, RNA from unidentified adenovirus)
- Protein bud31 homolog (17 kDa, Protein from Homo sapiens)
- Ring-type e3 ubiquitin-protein ligase ppil2 (58 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Peptidyl-prolyl cis-trans isomerase-like 4 (57 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Ring finger protein 113a (38 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- Serine/arginine repetitive matrix protein 2 (300 kDa, Protein from Homo sapiens)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- Peptidyl-prolyl cis-trans isomerase-like 1 (18 kDa, Protein 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)
- Magnesium ion (24 Da, Ligand)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- U6snrna (34 kDa, RNA from Homo sapiens)
- Putative pre-mrna-splicing factor atp-dependent rna helicase dhx16 (119 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Pleiotropic regulator 1 (57 kDa, Protein from Homo sapiens)
- Cell division cycle 5-like protein (92 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)
- Inositol hexakisphosphate (660 Da, Ligand)
- Bud13 homolog (70 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Homo sapiens)
Resolution: 5.9 Å
EM Method: Single-particle
Fitted PDBs: 8ch6
Q-score: 0.154
Schmitzova J, Cretu C, Dienemann C, Urlaub H, Pena V
Nature (2023) 617 pp. 842-850 [ DOI: doi:10.1038/s41586-023-06049-w Pubmed: 37165190 ]
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Rnu2-1 (60 kDa, RNA from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor isy1 homolog (33 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-splicing factor rbm22 (46 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- G-patch domain and kow motifs-containing protein (52 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- Pre-mrna-processing factor 17 (65 kDa, Protein from Homo sapiens)
- Late human activated spliceosome arrested with a dominant-negative mutant of the splicing helicase aquarius (aquarius k829a) (Complex from Homo sapiens)
- Crooked neck-like protein 1 (100 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor cwc22 homolog (105 kDa, Protein from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Snw domain-containing protein 1 (61 kDa, Protein from Homo sapiens)
- Protein bud31 homolog (17 kDa, Protein from Homo sapiens)
- Ring-type e3 ubiquitin-protein ligase ppil2 (58 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)
- Peptidyl-prolyl cis-trans isomerase-like 4 (57 kDa, Protein from Homo sapiens)
- Ring finger protein 113a (38 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- Serine/arginine repetitive matrix protein 2 (300 kDa, Protein from Homo sapiens)
- Minx-m3 (102 kDa, RNA from unidentified adenovirus)
- Peptidyl-prolyl cis-trans isomerase-like 1 (18 kDa, Protein 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)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 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)
- Putative pre-mrna-splicing factor atp-dependent rna helicase dhx16 (119 kDa, Protein from Homo sapiens)
- Rnu6-1 (34 kDa, RNA from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Pleiotropic regulator 1 (57 kDa, Protein from Homo sapiens)
- Cell division cycle 5-like protein (92 kDa, Protein from Homo sapiens)
- Pre-mrna-processing factor 19 (55 kDa, Protein from Homo sapiens)
- Spliceosome-associated protein cwc15 homolog (26 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)
- 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 spf27 (26 kDa, Protein from Homo sapiens)
- Rnu5a-1 (37 kDa, RNA from Homo sapiens)
- Peptidyl-prolyl cis-trans isomerase e (33 kDa, Protein from Homo sapiens)
- Bud13 homolog (70 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)
The cryo-EM structure of the human pre-A complex
Resolution: 3.0 Å
EM Method: Single-particle
Fitted PDBs: 7vpx
Q-score: 0.155
Zhang X, Zhan X, Bian T, Yang F, Li P, Lu Y, Xing Z, Fan R, Zhang QC, Shi Y
Nat Struct Mol Biol (2024) [ DOI: doi:10.1038/s41594-023-01188-0 Pubmed: 38196034 ]
- Splicing factor 3b subunit 4 (44 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)
- Spliceostatin a (form ii) (523 Da, Ligand)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- U1 small nuclear ribonucleoprotein c (17 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- Pre-mrna (83 kDa, RNA from unidentified adenovirus)
- Human pre-a (Complex from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Probable atp-dependent rna helicase ddx46 (117 kDa, Protein from Homo sapiens)
- Splicing factor 1 (68 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Dnaj homolog subfamily c member 8 (29 kDa, Protein from Homo sapiens)
- Pre-mrna, 5ss (Complex)
- Splicing factor 3b subunit 5 (10 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)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- 5ss (3 kDa, RNA from unidentified adenovirus)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- U1 small nuclear ribonucleoprotein 70 kda (51 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Human pre-a complex (Complex 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)
- U1 snrna (52 kDa, RNA 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)
The cryo-EM structure of human pre-17S U2 snRNP
Resolution: 2.7 Å
EM Method: Single-particle
Fitted PDBs: 8hk1
Q-score: 0.317
Yang F, Bian T, Zhan X, Chen Z, Xing Z, Larsen NA, Zhang X, Shi Y
Nat Commun (2023) 14 pp. 897-897 [ DOI: doi:10.1038/s41467-023-36489-x Pubmed: 36797247 ]
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- Hiv tat-specific factor 1 (85 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)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- Atp-dependent rna helicase ddx42 (103 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)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 5 (10 kDa, Protein 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)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- The human pre-17s u2 snrnp (Complex 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)
- [(2~{s},3~{s},4~{e},6~{s},7~{r},10~{r})-3,7-dimethyl-2-[(2~{e},4~{e},6~{r})-6-methyl-6-oxidanyl-7-[(2~{r},3~{r})-3-[(2~{r},3~{s})-3-oxidanylpentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-7,10-bis(oxidanyl)-12-oxidanylidene-1-oxacyclododec-4-en-6-yl] 4-cycloheptylpiperazine-1-carboxylate (718 Da, Ligand)
- 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)