Resolution: 8.0 Å
EM Method: Single-particle
Fitted PDBs: 7abi
Q-score: 0.145
Townsend C, Leelaram MN, Agafonov DE, Dybkov O, Will CL, Bertram K, Urlaub H, Kastner B, Stark H, Luhrmann R
Science (2020) 370 [ Pubmed: 33243851 DOI: doi:10.1126/science.abc3753 ]
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Human)
- Serine/arginine repetitive matrix protein 1 (102 kDa, Protein from Human)
- Peptidyl-prolyl cis-trans isomerase e (33 kDa, Protein from Human)
- Ring-type e3 ubiquitin-protein ligase ppil2 (58 kDa, Protein from Human)
- Minx m3 pre-mrna (103 kDa, RNA from synthetic construct)
- Inositol hexakisphosphate (660 Da, Ligand)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Human)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Human)
- Human pre-bact-2 spliceosome (Complex)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Human)
- Beta-catenin-like protein 1 (65 kDa, Protein from Human)
- Smad nuclear-interacting protein 1 (45 kDa, Protein from Human)
- Cell division cycle 5-like protein (92 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Human)
- U5 snrna (36 kDa, RNA from Human)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Human)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Human)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Human)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Human)
- Snw domain-containing protein 1 (61 kDa, Protein from Human)
- Dna/rna-binding protein kin17 (45 kDa, Protein from Human)
- Minx m3 pre-mrna (Complex from synthetic construct)
- Pre-mrna-processing factor 17 (65 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Human)
- Microfibrillar-associated protein 1 (52 kDa, Protein from Human)
- Intron-binding protein aquarius (171 kDa, Protein from Human)
- Zinc finger matrin-type protein 2 (23 kDa, Protein from Human)
- Pre-mrna-splicing factor 38a (37 kDa, Protein from Human)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Human)
- Pre-mrna-splicing factor rbm22 (46 kDa, Protein from Human)
- U2 snrna (60 kDa, RNA from Human)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Human)
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Human)
- Pleiotropic regulator 1 (57 kDa, Protein from Human)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Human)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Rna-binding motif protein, x-linked 2 (37 kDa, Protein from Human)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Human)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Human)
- Human pre-bact-2 spliceosome (Complex from Homo sapiens)
- Crooked neck-like protein 1 (100 kDa, Protein from Human)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Human)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Human)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Human)
- Magnesium ion (24 Da, Ligand)
- Splicing factor 3b subunit 4 (44 kDa, Protein from Human)
- U6 snrna (34 kDa, RNA from Human)
- Bud13 homolog (70 kDa, Protein from Human)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Human)
- Ubiquitin-like protein 5 (8 kDa, Protein from Human)
- Protein bud31 homolog (17 kDa, Protein from Human)
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 [ Pubmed: 33243851 DOI: doi:10.1126/science.abc3753 ]
- Cell division cycle 5-like protein (92 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- Pre-mrna-splicing factor rbm22 (46 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm8 (10 kDa, Protein from Homo sapiens)
- Ubiquitin-like protein 5 (8 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 6 (14 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)
- Splicing factor 3a subunit 1 (88 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)
- Microfibrillar-associated protein 1 (52 kDa, Protein from Homo sapiens)
- U2 snrna (60 kDa, RNA from Homo sapiens)
- 7-methyl-guanosine-5'-triphosphate-5'-guanosine (803 Da, Ligand)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Homo sapiens)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Homo sapiens)
- Serine/arginine repetitive matrix protein 1 (102 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Homo sapiens)
- Smad nuclear-interacting protein 1 (45 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)
- U5 snrna (36 kDa, RNA from Homo sapiens)
- Nuclear cap-binding protein subunit 2 (18 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Ww domain-binding protein 11 (70 kDa, Protein from Homo sapiens)
- Inositol hexakisphosphate (660 Da, Ligand)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Homo sapiens)
- Pleiotropic regulator 1 (57 kDa, Protein from Homo sapiens)
- Minx m3 pre-mrna (73 kDa, RNA from synthetic construct)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- Transcription elongation regulator 1 (124 kDa, Protein from Homo sapiens)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Pre-bact-1 spliceosomal complex (Complex from Homo sapiens)
- Pre-mrna-splicing factor 38a (37 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Serine/arginine-rich splicing factor 1 (27 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- Zinc finger matrin-type protein 2 (23 kDa, Protein from Homo sapiens)
- Nuclear cap-binding protein subunit 1 (91 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Homo sapiens)
- Pre-bact-1 spliceosomal complex (Complex)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
Human pre-Bact-2 spliceosome core structure
Resolution: 4.2 Å
EM Method: Single-particle
Fitted PDBs: 7aav
Q-score: 0.393
Townsend C, Leelaram MN, Agafonov DE, Dybkov O, Will CL, Bertram K, Urlaub H, Kastner B, Stark H, Luhrmann R
Science (2020) 370 [ Pubmed: 33243851 DOI: doi:10.1126/science.abc3753 ]
- Pre-mrna-splicing factor 38a (37 kDa, Protein from Human)
- Snw domain-containing protein 1 (61 kDa, Protein from Human)
- Microfibrillar-associated protein 1 (52 kDa, Protein from Human)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Human)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Human)
- Pre-bact-2 spliceosomal core structure (Complex)
- Protein bud31 homolog (17 kDa, Protein from Human)
- Ubiquitin-like protein 5 (8 kDa, Protein from Human)
- U5 snrna (36 kDa, RNA from Human)
- Pre-bact-2 spliceosomal core structure (Complex from Homo sapiens)
- Pleiotropic regulator 1 (57 kDa, Protein from Human)
- Minx m3 pre-mrna (Complex from synthetic construct)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Human)
- Magnesium ion (24 Da, Ligand)
- D-chiro inositol hexakisphosphate (660 Da, Ligand)
- Pre-mrna-splicing factor rbm22 (46 kDa, Protein from Human)
- U6 snrna (34 kDa, RNA from Human)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Zinc finger matrin-type protein 2 (23 kDa, Protein from Human)
- Pre-mrna-processing factor 17 (65 kDa, Protein from Human)
- Minx m3 pre-mrna (73 kDa, RNA from synthetic construct)
- Cell division cycle 5-like protein (92 kDa, Protein from Human)
- U2 snrna (60 kDa, RNA from Human)
Human pre-Bact-1 spliceosome core structure
Resolution: 3.9 Å
EM Method: Single-particle
Fitted PDBs: 7abf
Q-score: 0.374
Townsend C, Leelaram MN, Agafonov DE, Dybkov O, Will CL, Bertram K, Urlaub H, Kastner B, Stark H, Luhrmann R
Science (2020) 370 [ Pubmed: 33243851 DOI: doi:10.1126/science.abc3753 ]
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Human)
- Inositol hexakisphosphate (660 Da, Ligand)
- Minx m3 rna (73 kDa, RNA from synthetic construct)
- Transcription elongation regulator 1 (121 kDa, Protein from Human)
- Minx m3 rna (Complex from synthetic construct)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Human)
- Snw domain-containing protein 1 (61 kDa, Protein from Human)
- U6 small nuclear rna (34 kDa, RNA from Human)
- Ww domain-binding protein 11 (70 kDa, Protein from Human)
- Microfibrillar-associated protein 1 (52 kDa, Protein from Human)
- Pre-mrna-splicing factor 38a (37 kDa, Protein from Human)
- Zinc finger matrin-type protein 2 (23 kDa, Protein from Human)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Pleiotropic regulator 1 (57 kDa, Protein from Human)
- Magnesium ion (24 Da, Ligand)
- Pre-bact-1 spliceosomal complex (Complex from Homo sapiens)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Human)
- Ubiquitin-like protein 5 (8 kDa, Protein from Human)
- U5 small nuclear rna (36 kDa, RNA from Human)
- Pre-bact-1 spliceosomal complex (Complex)
- Protein bud31 homolog (17 kDa, Protein from Human)
Cryo-EM structure of a pre-catalytic human spliceosome primed for activation (B complex)
Resolution: 4.5 Å
EM Method: Single-particle
Fitted PDBs: 5o9z
Q-score: 0.17
Bertram K, Agafonov DE, Dybkov O, Haselbach D, Leelaram MN, Will CL, Urlaub H, Kastner B, Luhrmann R, Stark H
Cell (2017) 170 pp. 701-713.e11 [ Pubmed: 28781166 DOI: doi:10.1016/j.cell.2017.07.011 ]
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm8 (10 kDa, Protein from Human)
- Nhp2-like protein 1 (14 kDa, Protein from Human)
- Homo sapiens rna, u6 small nuclear 1 (rnu6-1), small nuclear rna (34 kDa, RNA from Human)
- U4/u6 small nuclear ribonucleoprotein prp4 (58 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Human)
- Splicing factor 3b subunit 3 (sf3b3) (135 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Human)
- Thioredoxin-like protein 4a (16 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Human)
- Human gene for small nuclear rna u2 (snrna u2) (60 kDa, RNA from Human)
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Human)
- U4/u6.u5 tri-snrnp-associated protein 1 (90 kDa, Protein from Human)
- Human b complex spliceosome, sharpened map, masked refinement (Complex from Homo sapiens)
- Pre-mrna-processing factor 6 (107 kDa, Protein from Human)
- Protein red (65 kDa, Protein from Human)
- U4/u6 small nuclear ribonucleoprotein prp3 (77 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Human)
- Minx pre-mrna (103 kDa, RNA from Human)
- Homo sapiens u4a snrna (46 kDa, RNA from Human)
- Wd40 repeat-containing protein smu1 (57 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Human)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Human)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Human)
- U4/u6 small nuclear ribonucleoprotein prp31 (55 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Human)
- Microfibrillar-associated protein 1 (52 kDa, Protein from Human)
- Ww domain-binding protein 4 (42 kDa, Protein from Human)
- Pre-mrna-splicing factor 38a (37 kDa, Protein from Human)
- Zinc finger matrin-type protein 2 (23 kDa, Protein from Human)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Human)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Human)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Human)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Human)
- Small nuclear ribonucleoprotein-associated proteins b and b' (24 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Human)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Human)
- Homo sapiens u5 a small nuclear rna (36 kDa, RNA from Human)
- Peptidyl-prolyl cis-trans isomerase h (19 kDa, Protein from Human)