8qxd

Cryo-EM structure of the cross-exon pre-B complex

Method: ELECTRON MICROSCOPY Dmax: 326.3 Å Quality: EXCELLENT

1. Protein Identity and Related Structures Protein Identity & Related Structures

Pre-mRNA-processing-splicing factor 8

OrganismNot specified

UniProt Q6P2Q9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain A; UniProt 1–2335 Not recorded U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

100 other PDB entries and 112 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRP8_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–2335; UniProt 1–2335

U5 small nuclear ribonucleoprotein 200 kDa helicase

OrganismNot specified

UniProt O75643

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain B; UniProt 1–2136 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

79 other PDB entries and 80 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name U520_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–2136; UniProt 1–2136

Splicing factor 3A subunit 1

OrganismNot specified

UniProt Q15459

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 7; UniProt 1–793 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

49 other PDB entries and 49 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SF3A1_HUMAN
Isoform
PDB entities 7
Chains and sequence ranges Author chain 7; PDBConstruct 1–793; UniProt 1–793

Splicing factor 3A subunit 2

OrganismNot specified

UniProt Q15428

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 8; UniProt 1–464 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

42 other PDB entries and 42 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SF3A2_HUMAN
Isoform
PDB entities 8
Chains and sequence ranges Author chain 8; PDBConstruct 1–464; UniProt 1–464

116 kDa U5 small nuclear ribonucleoprotein component

OrganismNot specified

UniProt Q15029

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain C; UniProt 1–972 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

67 other PDB entries and 67 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name U5S1_HUMAN
Isoform
PDB entities 9
Chains and sequence ranges Author chain C; PDBConstruct 1–972; UniProt 1–972

Thioredoxin-like protein 4A

OrganismNot specified

UniProt P83876

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain D; UniProt 1–142 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

31 other PDB entries and 38 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TXN4A_HUMAN
Isoform
PDB entities 10
Chains and sequence ranges Author chain D; PDBConstruct 1–142; UniProt 1–142

U5 small nuclear ribonucleoprotein 40 kDa protein

OrganismNot specified

UniProt Q96DI7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain E; UniProt 1–357 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

53 other PDB entries and 53 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SNR40_HUMAN
Isoform
PDB entities 11
Chains and sequence ranges Author chain E; PDBConstruct 1–357; UniProt 1–357

U4/U6 small nuclear ribonucleoprotein Prp4

OrganismNot specified

UniProt O43172

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain F; UniProt 1–522 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

23 other PDB entries and 23 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRP4_HUMAN
Isoform
PDB entities 12
Chains and sequence ranges Author chain F; PDBConstruct 1–522; UniProt 1–522

NHP2-like protein 1, N-terminally processed

OrganismNot specified

UniProt P55769

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain M; UniProt 1–128 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

31 other PDB entries and 35 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NH2L1_HUMAN
Isoform
PDB entities 13
Chains and sequence ranges Author chain M; PDBConstruct 1–128; UniProt 1–128

RNA-binding protein 42

OrganismNot specified

UniProt Q9BTD8

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain R; UniProt 1–480 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

9 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RBM42_HUMAN
Isoform
PDB entities 14
Chains and sequence ranges Author chain R; PDBConstruct 1–480; UniProt 1–480

Ubiquitin carboxyl-terminal hydrolase 39

OrganismNot specified

UniProt Q53GS9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain U; UniProt 1–565 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

20 other PDB entries and 20 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name UBP39_HUMAN
Isoform
PDB entities 15
Chains and sequence ranges Author chain U; PDBConstruct 1–565; UniProt 1–565

U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein

OrganismNot specified

UniProt Q8WVK2

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain X; UniProt 1–155 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

9 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SNR27_HUMAN
Isoform
PDB entities 16
Chains and sequence ranges Author chain X; PDBConstruct 1–155; UniProt 1–155

U4/U6.U5 tri-snRNP-associated protein 1

OrganismNot specified

UniProt O43290

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain S; UniProt 1–800 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

25 other PDB entries and 30 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SNUT1_HUMAN
Isoform
PDB entities 18
Chains and sequence ranges Author chain S; PDBConstruct 1–800; UniProt 1–800

U4/U6 small nuclear ribonucleoprotein Prp3

OrganismNot specified

UniProt O43395

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain J; UniProt 1–683 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

26 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRPF3_HUMAN
Isoform
PDB entities 19
Chains and sequence ranges Author chain J; PDBConstruct 1–683; UniProt 1–683

Serine/threonine-protein kinase PRP4 homolog

OrganismNot specified

UniProt Q13523

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain K; UniProt 1–1007 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

13 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRP4B_HUMAN
Isoform
PDB entities 20
Chains and sequence ranges Author chain K; PDBConstruct 1–1007; UniProt 1–1007

Pre-mRNA-processing factor 6

OrganismNot specified

UniProt O94906

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain N; UniProt 1–941 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

31 other PDB entries and 31 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRP6_HUMAN
Isoform
PDB entities 21
Chains and sequence ranges Author chain N; PDBConstruct 1–941; UniProt 1–941

Probable ATP-dependent RNA helicase DDX23

OrganismNot specified

UniProt Q9BUQ8

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain G; UniProt 1–820 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

23 other PDB entries and 23 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DDX23_HUMAN
Isoform
PDB entities 22
Chains and sequence ranges Author chain G; PDBConstruct 1–820; UniProt 1–820

U4/U6 small nuclear ribonucleoprotein Prp31

OrganismNot specified

UniProt Q8WWY3

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain L; UniProt 1–499 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

29 other PDB entries and 32 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRP31_HUMAN
Isoform
PDB entities 23
Chains and sequence ranges Author chain L; PDBConstruct 1–499; UniProt 1–499

Splicing factor 3B subunit 4

OrganismNot specified

UniProt Q15427

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain B4; UniProt 1–424 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

43 other PDB entries and 43 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SF3B4_HUMAN
Isoform
PDB entities 24
Chains and sequence ranges Author chain B4; PDBConstruct 1–424; UniProt 1–424

Splicing factor 3A subunit 3

OrganismNot specified

UniProt Q12874

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 9; UniProt 1–501 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

45 other PDB entries and 45 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SF3A3_HUMAN
Isoform
PDB entities 25
Chains and sequence ranges Author chain 9; PDBConstruct 1–501; UniProt 1–501

Splicing factor 3B subunit 2

OrganismNot specified

UniProt Q13435

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain B2; UniProt 1–895 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

49 other PDB entries and 49 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SF3B2_HUMAN
Isoform
PDB entities 26
Chains and sequence ranges Author chain B2; PDBConstruct 1–895; UniProt 1–895

Splicing factor 3B subunit 5

OrganismNot specified

UniProt Q9BWJ5

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain B5; UniProt 1–86 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

66 other PDB entries and 66 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SF3B5_HUMAN
Isoform
PDB entities 27
Chains and sequence ranges Author chain B5; PDBConstruct 1–86; UniProt 1–86

Splicing factor 3B subunit 3

OrganismNot specified

UniProt Q15393

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain B3; UniProt 1–1217 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

66 other PDB entries and 66 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SF3B3_HUMAN
Isoform
PDB entities 28
Chains and sequence ranges Author chain B3; PDBConstruct 1–1217; UniProt 1–1217

PHD finger-like domain-containing protein 5A

OrganismNot specified

UniProt Q7RTV0

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain BP; UniProt 1–110 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

64 other PDB entries and 65 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PHF5A_HUMAN
Isoform
PDB entities 29
Chains and sequence ranges Author chain BP; PDBConstruct 1–110; UniProt 1–110

Splicing factor 3B subunit 1

OrganismNot specified

UniProt O75533

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain B1; UniProt 1–1304 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

71 other PDB entries and 77 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SF3B1_HUMAN
Isoform
PDB entities 30
Chains and sequence ranges Author chain B1; PDBConstruct 1–1304; UniProt 1–1304

Splicing factor 3B subunit 6

OrganismNot specified

UniProt Q9Y3B4

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain B6; UniProt 1–125 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

38 other PDB entries and 41 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SF3B6_HUMAN
Isoform
PDB entities 31
Chains and sequence ranges Author chain B6; PDBConstruct 1–125; UniProt 1–125

Small nuclear ribonucleoprotein Sm D2

OrganismNot specified

UniProt P62316

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 22; UniProt 1–118 Chain 42; UniProt 1–118 Chain 52; UniProt 1–118 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

79 other PDB entries and 116 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SMD2_HUMAN
Isoform
PDB entities 32
Chains and sequence ranges Author chain 22; PDBConstruct 1–118; UniProt 1–118 Author chain 42; PDBConstruct 1–118; UniProt 1–118 Author chain 52; PDBConstruct 1–118; UniProt 1–118

;U2 small nuclear ribonucleoprotein B'' ;

OrganismNot specified

UniProt P08579

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 2B; UniProt 1–225 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

49 other PDB entries and 50 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RU2B_HUMAN
Isoform
PDB entities 33
Chains and sequence ranges Author chain 2B; PDBConstruct 1–225; UniProt 1–225

Small nuclear ribonucleoprotein F

OrganismNot specified

UniProt P62306

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 2f; UniProt 1–86 Chain 4f; UniProt 1–86 Chain 5f; UniProt 1–86 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

82 other PDB entries and 119 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RUXF_HUMAN
Isoform
PDB entities 34
Chains and sequence ranges Author chain 2f; PDBConstruct 1–86; UniProt 1–86 Author chain 4f; PDBConstruct 1–86; UniProt 1–86 Author chain 5f; PDBConstruct 1–86; UniProt 1–86

;Small nuclear ribonucleoprotein-associated proteins B and B' ;

OrganismNot specified

UniProt P14678

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 2b; UniProt 1–240 Chain 4b; UniProt 8–89 Chain 5b; UniProt 4–89 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) Small nuclear ribonucleoprotein G × 2 (P62308) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

70 other PDB entries and 92 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RSMB_HUMAN
Isoform
PDB entities 35, 41, 43
Chains and sequence ranges Author chain 2b; PDBConstruct 1–240; UniProt 1–240 Author chain 4b; PDBConstruct 1–82; UniProt 8–89 Author chain 5b; PDBConstruct 1–86; UniProt 4–89

Small nuclear ribonucleoprotein Sm D3

OrganismNot specified

UniProt P62318

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 23; UniProt 1–126 Chain 43; UniProt 1–126 Chain 53; UniProt 1–126 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

77 other PDB entries and 100 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SMD3_HUMAN
Isoform
PDB entities 36
Chains and sequence ranges Author chain 23; PDBConstruct 1–126; UniProt 1–126 Author chain 43; PDBConstruct 1–126; UniProt 1–126 Author chain 53; PDBConstruct 1–126; UniProt 1–126

Small nuclear ribonucleoprotein G

OrganismNot specified

UniProt P62308

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 2g; UniProt 1–76 Chain 4g; UniProt 3–76 Chain 5g; UniProt 3–76 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

81 other PDB entries and 117 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RUXG_HUMAN
Isoform
PDB entities 37, 42
Chains and sequence ranges Author chain 2g; PDBConstruct 1–76; UniProt 1–76 Author chain 4g; PDBConstruct 1–74; UniProt 3–76 Author chain 5g; PDBConstruct 1–74; UniProt 3–76

Small nuclear ribonucleoprotein E

OrganismNot specified

UniProt P62304

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 2e; UniProt 1–92 Chain 4e; UniProt 1–92 Chain 5e; UniProt 1–92 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

82 other PDB entries and 119 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RUXE_HUMAN
Isoform
PDB entities 38
Chains and sequence ranges Author chain 2e; PDBConstruct 1–92; UniProt 1–92 Author chain 4e; PDBConstruct 1–92; UniProt 1–92 Author chain 5e; PDBConstruct 1–92; UniProt 1–92

Small nuclear ribonucleoprotein Sm D1

OrganismNot specified

UniProt P62314

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 21; UniProt 1–119 Chain 41; UniProt 1–119 Chain 51; UniProt 1–82 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

81 other PDB entries and 118 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SMD1_HUMAN
Isoform
PDB entities 39, 44
Chains and sequence ranges Author chain 21; PDBConstruct 1–119; UniProt 1–119 Author chain 41; PDBConstruct 1–119; UniProt 1–119 Author chain 51; PDBConstruct 1–82; UniProt 1–82

;U2 small nuclear ribonucleoprotein A' ;

OrganismNot specified

UniProt P09661

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 2A; UniProt 1–255 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

49 other PDB entries and 50 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RU2A_HUMAN
Isoform
PDB entities 40
Chains and sequence ranges Author chain 2A; PDBConstruct 1–255; UniProt 1–255

U6 snRNA-associated Sm-like protein LSm6

OrganismNot specified

UniProt P62312

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 66; UniProt 1–80 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

19 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LSM6_HUMAN
Isoform
PDB entities 45
Chains and sequence ranges Author chain 66; PDBConstruct 1–80; UniProt 1–80

U6 snRNA-associated Sm-like protein LSm7

OrganismNot specified

UniProt Q9UK45

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 67; UniProt 1–103 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

19 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LSM7_HUMAN
Isoform
PDB entities 46
Chains and sequence ranges Author chain 67; PDBConstruct 1–103; UniProt 1–103

U6 snRNA-associated Sm-like protein LSm2

OrganismNot specified

UniProt Q9Y333

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 62; UniProt 1–95 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

19 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LSM2_HUMAN
Isoform
PDB entities 47
Chains and sequence ranges Author chain 62; PDBConstruct 1–95; UniProt 1–95

U6 snRNA-associated Sm-like protein LSm3

OrganismNot specified

UniProt P62310

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 63; UniProt 1–102 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

19 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LSM3_HUMAN
Isoform
PDB entities 48
Chains and sequence ranges Author chain 63; PDBConstruct 1–102; UniProt 1–102

U6 snRNA-associated Sm-like protein LSm8

OrganismNot specified

UniProt O95777

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 68; UniProt 1–96 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

19 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LSM8_HUMAN
Isoform
PDB entities 49
Chains and sequence ranges Author chain 68; PDBConstruct 1–96; UniProt 1–96

U6 snRNA-associated Sm-like protein LSm4

OrganismNot specified

UniProt Q9Y4Z0

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 64; UniProt 1–139 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm5 × 1 (Q9Y4Y9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

19 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LSM4_HUMAN
Isoform
PDB entities 50
Chains and sequence ranges Author chain 64; PDBConstruct 1–139; UniProt 1–139

U6 snRNA-associated Sm-like protein LSm5

OrganismNot specified

UniProt Q9Y4Y9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Heteromer Protein × 56 RNA 5 PDB declaration: 61-meric(61) Consistent with all polymer counts Chain 65; UniProt 1–91 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) U5 small nuclear ribonucleoprotein 200 kDa helicase × 1 (O75643) U2 snRNA × 1 U4 snRNA × 1 U5 snRNA × 1 U6 snRNA × 1 Splicing factor 3A subunit 1 × 1 (Q15459) Splicing factor 3A subunit 2 × 1 (Q15428) 116 kDa U5 small nuclear ribonucleoprotein component × 1 (Q15029) Thioredoxin-like protein 4A × 1 (P83876) U5 small nuclear ribonucleoprotein 40 kDa protein × 1 (Q96DI7) U4/U6 small nuclear ribonucleoprotein Prp4 × 1 (O43172) NHP2-like protein 1, N-terminally processed × 1 (P55769) RNA-binding protein 42 × 1 (Q9BTD8) Ubiquitin carboxyl-terminal hydrolase 39 × 1 (Q53GS9) U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein × 1 (Q8WVK2) pre-mRNA × 1 U4/U6.U5 tri-snRNP-associated protein 1 × 1 (O43290) U4/U6 small nuclear ribonucleoprotein Prp3 × 1 (O43395) Serine/threonine-protein kinase PRP4 homolog × 1 (Q13523) Pre-mRNA-processing factor 6 × 1 (O94906) Probable ATP-dependent RNA helicase DDX23 × 1 (Q9BUQ8) U4/U6 small nuclear ribonucleoprotein Prp31 × 1 (Q8WWY3) Splicing factor 3B subunit 4 × 1 (Q15427) Splicing factor 3A subunit 3 × 1 (Q12874) Splicing factor 3B subunit 2 × 1 (Q13435) Splicing factor 3B subunit 5 × 1 (Q9BWJ5) Splicing factor 3B subunit 3 × 1 (Q15393) PHD finger-like domain-containing protein 5A × 1 (Q7RTV0) Splicing factor 3B subunit 1 × 1 (O75533) Splicing factor 3B subunit 6 × 1 (Q9Y3B4) Small nuclear ribonucleoprotein Sm D2 × 3 (P62316) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P08579) Small nuclear ribonucleoprotein F × 3 (P62306) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D3 × 3 (P62318) Small nuclear ribonucleoprotein G × 1 (P62308) Small nuclear ribonucleoprotein E × 3 (P62304) Small nuclear ribonucleoprotein Sm D1 × 2 (P62314) ;U2 small nuclear ribonucleoprotein A' ; × 1 (P09661) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein G × 2 (P62308) ;Small nuclear ribonucleoprotein-associated proteins B and B' ; × 1 (P14678) Small nuclear ribonucleoprotein Sm D1 × 1 (P62314) U6 snRNA-associated Sm-like protein LSm6 × 1 (P62312) U6 snRNA-associated Sm-like protein LSm7 × 1 (Q9UK45) U6 snRNA-associated Sm-like protein LSm2 × 1 (Q9Y333) U6 snRNA-associated Sm-like protein LSm3 × 1 (P62310) U6 snRNA-associated Sm-like protein LSm8 × 1 (O95777) U6 snRNA-associated Sm-like protein LSm4 × 1 (Q9Y4Z0) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 9.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

19 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LSM5_HUMAN
Isoform
PDB entities 51
Chains and sequence ranges Author chain 65; PDBConstruct 1–91; UniProt 1–91

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 8qxd

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8qxd
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8qxd
Deposition date deposition_date2023-10-24
Structure title titleCryo-EM structure of the cross-exon pre-B complex
Keywords keywordsspliceosome, SPLICING; SPLICING
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier
Radius of gyration Rg (electron density) rg_electron116.50
Forward intensity I(0) i029250700000.00
Molecular weight molecular_weight1150800.0 kDa
Excluded volume excluded_volume1304800 ų
Envelope volume envelope_volume3812600 ų
Hydration-shell volume shell_volume291800 ų
Envelope diameter envelope_diameter421.3
Shell Rg shell_rg93.94
Envelope Rg envelope_rg112.20
Shape Rg shape_rg116.50
Total Rg total_rg116.40
Total atoms total_atoms81536
Residues n_residues15042
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax326.3
Rg (real space) rg_real111.00
Rg uncertainty (real space) rg_real_error1.48
I(0) (real space) i0_real2.8080e+10
I(0) uncertainty (real space) i0_real_error5.9130e+08
Rg (reciprocal space) rg_reciprocal107.30
I(0) (reciprocal space) i0_reciprocal28340000000.0000
Solution quality estimate total_estimate0.9150
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary125.5
Skewness Skewness skewness0.388
Kurtosis Kurtosis kurtosis-0.477
Angular range angular_range— – 0.0650 −1
Current regularization parameter α current_alpha0.8961
Highest regularization parameter α highest_alpha1125000000.0000
Real-space data points n_real_points14
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.005; Oscil: 0.993; Stabil: 0.972; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.005

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (51)

8. Citations (1)

9. Files and Curves (10)