The Cryo-EM Structure of the Precusor of Human Pre-catalytic Spliceosome (pre-B complex)
Resolution: 5.7 Å
EM Method: Single-particle
Fitted PDBs: 6ah0
Q-score: 0.12
Zhan X, Yan C, Zhang X, Lei J, Shi Y
Cell Res (2018) 28 pp. 1129-1140 [ Pubmed: 30315277 DOI: doi:10.1038/s41422-018-0094-7 ]
- Splicing factor 3b subunit 5 (10 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Homo sapiens)
- Thioredoxin-like protein 4a (16 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Homo sapiens)
- U4snrna (46 kDa, RNA from Homo sapiens)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Homo sapiens)
- Pre-mrna (87 kDa, RNA from Homo sapiens)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Homo sapiens)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 4 (44 kDa, Protein from Homo sapiens)
- Inositol hexakisphosphate (660 Da, Ligand)
- U4/u6 small nuclear ribonucleoprotein prp4 (58 kDa, Protein from Homo sapiens)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Magnesium ion (24 Da, Ligand)
- Small nuclear ribonucleoprotein-associated proteins b and b' (23 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Homo sapiens)
- U4/u6.u5 tri-snrnp-associated protein 2 (65 kDa, Protein from Homo sapiens)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Homo sapiens)
- U2snrna (60 kDa, RNA from Homo sapiens)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Homo sapiens)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp3 (77 kDa, Protein from Homo sapiens)
- Pre-mrna-processing factor 6 (107 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Homo sapiens)
- Probable atp-dependent rna helicase ddx23 (95 kDa, Protein from Homo sapiens)
- U4/u6 small nuclear ribonucleoprotein prp31 (55 kDa, Protein from Homo sapiens)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Homo sapiens)
- Spliceosome (Complex from Homo sapiens)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Homo sapiens)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Homo sapiens)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Homo sapiens)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Homo sapiens)
- U5snrna (37 kDa, RNA from Homo sapiens)
- Nhp2-like protein 1 (14 kDa, Protein from Homo sapiens)
- U6snrna (34 kDa, RNA from Homo sapiens)
- Small nuclear ribonucleoprotein f (9 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)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Homo sapiens)
The Cryo-EM Structure of Human Pre-catalytic Spliceosome (B complex) at 3.8 angstrom resolution
Resolution: 3.8 Å
EM Method: Single-particle
Fitted PDBs: 6ahd
Q-score: 0.189
Zhan X, Yan C, Zhang X, Lei J, Shi Y
Cell Res (2018) 28 pp. 1129-1140 [ Pubmed: 30315277 DOI: doi:10.1038/s41422-018-0094-7 ]
- Sme (9 kDa, Protein from Human)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Human)
- U4/u6 small nuclear ribonucleoprotein prp3 (77 kDa, Protein from Human)
- Pre-mrna-processing factor 6 (107 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm7 (11 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm8 (10 kDa, Protein from Human)
- Sf3b5, splicing factor 3b subunit 5 (10 kDa, Protein from Human)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm5 (9 kDa, Protein from Human)
- U4/u6 small nuclear ribonucleoprotein prp31 (55 kDa, Protein from Human)
- Inositol hexakisphosphate (660 Da, Ligand)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm3 (11 kDa, Protein from Human)
- U6snrna (34 kDa, RNA from Human)
- Nhp2-like protein 1 (14 kDa, Protein from Human)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Human)
- Pre-mrna-splicing factor 38a (37 kDa, Protein from Human)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Human)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Human)
- Peptidyl-prolyl cis-trans isomerase h (19 kDa, Protein from Human)
- Pre-mrna (87 kDa, RNA from Human)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Human)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Human)
- Sf3b14a, splicing factor 3b subunit 6 (14 kDa, Protein from Human)
- Ubiquitin-like protein 5 (8 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm4 (15 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Human)
- Wd40 repeat-containing protein smu1 (57 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Human)
- Human pre-catalytic spliceosome (b complex) (Complex from Homo sapiens)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Human)
- Microfibrillar-associated protein 1 (52 kDa, Protein from Human)
- U6 snrna-associated sm-like protein lsm2 (10 kDa, Protein from Human)
- Smf (10 kDa, Protein from Human)
- Thioredoxin-like protein 4a (16 kDa, Protein from Human)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Human)
- Smb (23 kDa, Protein from Human)
- Zinc finger matrin-type protein 2 (23 kDa, Protein from Human)
- U4/u6 small nuclear ribonucleoprotein prp4 (58 kDa, Protein from Human)
- Sf3b145, splicing factor 3b subunit 2 (100 kDa, Protein from Human)
- Ww domain-binding protein 4 (42 kDa, Protein from Human)
- Magnesium ion (24 Da, Ligand)
- U6 snrna-associated sm-like protein lsm6 (9 kDa, Protein from Human)
- U4/u6.u5 tri-snrnp-associated protein 1 (90 kDa, Protein from Human)
- U2snrna (60 kDa, RNA from Human)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Human)
- Sf3b49, splicing factor 3b subunit 4 (44 kDa, Protein from Human)
- Brr2, u5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Human)
- U4snrna (46 kDa, RNA from Human)
- U5snrna (37 kDa, RNA from Human)
cryo-EM structure of a human activated spliceosome (mature Bact) at 5.1 angstrom.
Resolution: 5.1 Å
EM Method: Single-particle
Fitted PDBs: 5z56
Q-score: 0.131
Zhang X, Yan C, Zhan X, Li L, Lei J, Shi Y
Cell Res (2018) 28 pp. 307-322 [ DOI: doi:10.1038/cr.2018.14 Pubmed: 29360106 ]
- Peptidyl-prolyl cis-trans isomerase cwc27 homolog (53 kDa, Protein from Human)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Human)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Human)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Human)
- Peptidyl-prolyl cis-trans isomerase-like 1 (18 kDa, Protein from Human)
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Human)
- Pre-mrna-splicing factor cwc22 homolog (105 kDa, Protein from Human)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Human)
- U6 snrna (34 kDa, RNA from Human)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Human)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Human)
- Serine/arginine repetitive matrix protein 2 (300 kDa, Protein from Human)
- Ring finger protein 113a (38 kDa, Protein from Human)
- Small nuclear ribonucleoprotein-associated proteins b and b' (23 kDa, Protein from Human)
- Magnesium ion (24 Da, Ligand)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Human)
- Smad nuclear-interacting protein 1 (45 kDa, Protein from Human)
- Protein bud31 homolog (17 kDa, Protein from Human)
- Inositol hexakisphosphate (660 Da, Ligand)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Human)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Human)
- U2 snrna (60 kDa, RNA from Human)
- Pleiotropic regulator 1 (57 kDa, Protein from Human)
- Cell division cycle 5-like protein (92 kDa, Protein from Human)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Human)
- Splicing factor 3b subunit 4 (44 kDa, Protein from Human)
- Zinc ion (65 Da, Ligand)
- Pre-mrna-splicing factor spf27 (26 kDa, Protein from Human)
- Human activated spliceosome (Complex from Homo sapiens)
- U5 snrna (37 kDa, RNA from Human)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Human)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Human)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Human)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Human)
- Pre-mrna-processing factor 19 (55 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Human)
- Skip (62 kDa, Protein from Human)
- Pre-mrna-processing factor 17 (65 kDa, Protein from Human)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Human)
- Peptidyl-prolyl cis-trans isomerase e (33 kDa, Protein from Human)
- Intron-binding protein aquarius (171 kDa, Protein from Human)
- Pre-mrna-splicing factor rbm22 (46 kDa, Protein from Human)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Human)
- Crooked neck-like protein 1 (100 kDa, Protein from Human)
- Putative pre-mrna-splicing factor atp-dependent rna helicase dhx16 (119 kDa, Protein from Human)
- Rna-binding motif protein, x-linked 2 (37 kDa, Protein from Human)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Human)
- Pre-mrna (87 kDa, RNA from unidentified adenovirus)
- Bud13 homolog (70 kDa, Protein from Human)
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 [ DOI: doi:10.1038/cr.2018.14 Pubmed: 29360106 ]
- Late bact splieosome (Complex from Homo sapiens)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Human)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Human)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Human)
- Peptidyl-prolyl cis-trans isomerase-like 1 (18 kDa, Protein from Human)
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Human)
- Pre-mrna-splicing factor cwc22 homolog (105 kDa, Protein from Human)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Human)
- U6 snrna (34 kDa, RNA from Human)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Human)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Human)
- Serine/arginine repetitive matrix protein 2 (300 kDa, Protein from Human)
- Magnesium ion (24 Da, Ligand)
- Small nuclear ribonucleoprotein-associated proteins b and b' (23 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Human)
- Smad nuclear-interacting protein 1 (45 kDa, Protein from Human)
- Protein bud31 homolog (17 kDa, Protein from Human)
- Inositol hexakisphosphate (660 Da, Ligand)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Human)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Human)
- U2 snrna (60 kDa, RNA from Human)
- Pleiotropic regulator 1 (57 kDa, Protein from Human)
- Cell division cycle 5-like protein (92 kDa, Protein from Human)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Human)
- Splicing factor 3b subunit 4 (44 kDa, Protein from Human)
- Zinc ion (65 Da, Ligand)
- Pre-mrna-splicing factor spf27 (26 kDa, Protein from Human)
- U5 snrna (37 kDa, RNA from Human)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Human)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Human)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Human)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Human)
- Pre-mrna-processing factor 19 (55 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Human)
- Skip (62 kDa, Protein from Human)
- Pre-mrna-processing factor 17 (65 kDa, Protein from Human)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Human)
- Peptidyl-prolyl cis-trans isomerase e (33 kDa, Protein from Human)
- Intron-binding protein aquarius (171 kDa, Protein from Human)
- Pre-mrna-splicing factor rbm22 (46 kDa, Protein from Human)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Human)
- Crooked neck-like protein 1 (100 kDa, Protein from Human)
- Alanine (89 Da, Ligand)
- Rna-binding motif protein, x-linked 2 (37 kDa, Protein from Human)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Human)
- Pre-mrna-splicing factor atp-dependent rna helicase dhx16 (119 kDa, Protein from Human)
- Pre-mrna (87 kDa, RNA from unidentified adenovirus)
- Bud13 homolog (70 kDa, Protein from Human)
Cryo-EM structure of a human activated spliceosome (early Bact) at 4.9 angstrom.
Resolution: 4.9 Å
EM Method: Single-particle
Fitted PDBs: 5z58
Q-score: 0.131
Zhang X, Yan C, Zhan X, Li L, Lei J, Shi Y
Cell Res (2018) 28 pp. 307-322 [ DOI: doi:10.1038/cr.2018.14 Pubmed: 29360106 ]
- Inositol hexakisphosphate (660 Da, Ligand)
- U2 snrna (60 kDa, RNA from Human)
- Pre-mrna-splicing factor cwc22 homolog (105 kDa, Protein from Human)
- U5 snrna (37 kDa, RNA from Human)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Human)
- Crooked neck-like protein 1 (100 kDa, Protein from Human)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Human)
- Pre-mrna-splicing factor atp-dependent rna helicase dhx16 (119 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Human)
- Smad nuclear-interacting protein 1 (45 kDa, Protein from Human)
- Rna-binding motif protein, x-linked 2 (37 kDa, Protein from Human)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Human)
- Splicing factor 3b subunit 2 (100 kDa, Protein from Human)
- Bud13 homolog (70 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Human)
- Ring finger protein 113a (38 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Human)
- Pre-mrna (87 kDa, RNA from unidentified adenovirus)
- Splicing factor 3b subunit 6 (14 kDa, Protein from Human)
- Splicing factor 3b subunit 3 (135 kDa, Protein from Human)
- U6 snrna (34 kDa, RNA from Human)
- Splicing factor 3a subunit 1 (88 kDa, Protein from Human)
- Skip (62 kDa, Protein from Human)
- Small nuclear ribonucleoprotein-associated proteins b and b' (23 kDa, Protein from Human)
- Splicing factor 3a subunit 2 (49 kDa, Protein from Human)
- Splicing factor 3b subunit 5 (10 kDa, Protein from Human)
- Pleiotropic regulator 1 (57 kDa, Protein from Human)
- Zinc ion (65 Da, Ligand)
- Cell division cycle 5-like protein (92 kDa, Protein from Human)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Human)
- Early bact spliceosome (Complex from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Human)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Human)
- Splicing factor 3b subunit 4 (44 kDa, Protein from Human)
- Magnesium ion (24 Da, Ligand)
- Splicing factor 3a subunit 3 (58 kDa, Protein from Human)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Human)
- Phd finger-like domain-containing protein 5a (12 kDa, Protein from Human)
- Splicing factor 3b subunit 1 (146 kDa, Protein from Human)
- Peptidyl-prolyl cis-trans isomerase cwc27 homolog (53 kDa, Protein from Human)
The Cryo-EM Structure of Human Catalytic Step I Spliceosome (C complex) at 4.1 angstrom resolution
Resolution: 4.1 Å
EM Method: Single-particle
Fitted PDBs: 5yzg
Q-score: 0.205
Zhan X, Yan C, Zhang X, Lei J, Shi Y
Science (2018) 359 pp. 537-545 [ DOI: doi:10.1126/science.aar6401 Pubmed: 29301961 ]
- U2 snrna (60 kDa, RNA from Homo sapiens)
- Inositol hexakisphosphate (660 Da, Ligand)
- Rna-binding protein 8a (19 kDa, Protein from Human)
- Snw domain-containing protein 1 (61 kDa, Protein from Human)
- Pre-mrna-splicing factor cwc22 homolog (105 kDa, Protein from Human)
- U2 small nuclear ribonucleoprotein b'' (25 kDa, Protein from Human)
- Crooked neck-like protein 1 (100 kDa, Protein from Human)
- Spliceosome-associated protein cwc15 homolog (26 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 40 kda protein (39 kDa, Protein from Human)
- Adenosine-5'-diphosphate (427 Da, Ligand)
- Pre-mrna-processing factor 17 (65 kDa, Protein from Human)
- Coiled-coil domain-containing protein 94 (37 kDa, Protein from Human)
- 116 kda u5 small nuclear ribonucleoprotein component (109 kDa, Protein from Human)
- Guanosine-5'-triphosphate (523 Da, Ligand)
- U2 small nuclear ribonucleoprotein a' (28 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d1 (13 kDa, Protein from Human)
- Small nuclear ribonucleoprotein-associated proteins b and b' (23 kDa, Protein from Human)
- U5 small nuclear ribonucleoprotein 200 kda helicase (244 kDa, Protein from Human)
- Pre-mrna-splicing factor cwc25 homolog (49 kDa, Protein from Human)
- Pleiotropic regulator 1 (57 kDa, Protein from Human)
- Intron-binding protein aquarius (171 kDa, Protein from Human)
- Peptidylprolyl isomerase domain and wd repeat-containing protein 1 (73 kDa, Protein from Human)
- Pre-mrna-splicing factor atp-dependent rna helicase prp16 (140 kDa, Protein from Human)
- Zinc ion (65 Da, Ligand)
- Unknow (2 kDa, Protein from Homo sapiens)
- Adenosine-5'-triphosphate (507 Da, Ligand)
- Peptidyl-prolyl cis-trans isomerase e (33 kDa, Protein from Human)
- Cell division cycle 5-like protein (92 kDa, Protein from Human)
- Pre-mrna-processing factor 19 (55 kDa, Protein from Human)
- Small nuclear ribonucleoprotein f (9 kDa, Protein from Human)
- Protein casc3 (76 kDa, Protein from Human)
- Pre-mrna-splicing factor isy1 homolog (35 kDa, Protein from Human)
- Peptidyl-prolyl cis-trans isomerase-like 1 (18 kDa, Protein from Human)
- Protein bud31 homolog (17 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d2 (13 kDa, Protein from Human)
- Pre-mrna (88 kDa, RNA from Human)
- Serine/arginine repetitive matrix protein 2 (300 kDa, Protein from Human)
- Pre-mrna-splicing factor rbm22 (46 kDa, Protein from Human)
- Small nuclear ribonucleoprotein sm d3 (13 kDa, Protein from Human)
- U6 snrna (34 kDa, RNA from Homo sapiens)
- Small nuclear ribonucleoprotein e (10 kDa, Protein from Human)
- Small nuclear ribonucleoprotein g (8 kDa, Protein from Human)
- Magnesium ion (24 Da, Ligand)
- Pre-mrna-splicing factor spf27 (26 kDa, Protein from Human)
- Eukaryotic initiation factor 4a-iii (46 kDa, Protein from Human)
- Peptidyl-prolyl cis-trans isomerase g (88 kDa, Protein from Human)
- Pre-mrna-splicing factor syf1 (100 kDa, Protein from Human)
- Pre-mrna-processing-splicing factor 8 (273 kDa, Protein from Human)
- Pre-mrna-splicing factor syf2 (28 kDa, Protein from Human)
- U5 snrna (37 kDa, RNA from Homo sapiens)
- Protein mago nashi homolog 2 (17 kDa, Protein from Human)
- Human catalytic step i spliceosome (Complex from Homo sapiens)