5gmk

Cryo-EM structure of the Catalytic Step I spliceosome (C complex) at 3.4 angstrom resolution

Method: ELECTRON MICROSCOPY Dmax: 228.6 Å Quality: EXCELLENT

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

Pre-mRNA-splicing factor 8

OrganismNot specified

UniProt P33334

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain A; UniProt 1–2413 Not recorded Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

435 other PDB entries and 443 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRP8_YEAST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–2413; UniProt 1–2413

Pre-mRNA-splicing factor SNU114

OrganismNot specified

UniProt P36048

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain C; UniProt 1–1008 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SN114_YEAST
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–1008; UniProt 1–1008

Pre-mRNA-splicing factor CWC21

OrganismNot specified

UniProt Q03375

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain J; UniProt 1–135 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

14 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CWC21_YEAST
Isoform
PDB entities 9
Chains and sequence ranges Author chain J; PDBConstruct 1–135; UniProt 1–135

Pre-mRNA-splicing factor PRP46

OrganismNot specified

UniProt Q12417

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain O; UniProt 1–451 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

15 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRP46_YEAST
Isoform
PDB entities 10
Chains and sequence ranges Author chain O; PDBConstruct 1–451; UniProt 1–451

Pre-mRNA-processing protein 45

OrganismNot specified

UniProt P28004

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain P; UniProt 1–379 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

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

View Construct and Data Evidence
UniProt name PRP45_YEAST
Isoform
PDB entities 11
Chains and sequence ranges Author chain P; PDBConstruct 1–379; UniProt 1–379

Pre-mRNA-splicing factor SLT11

OrganismNot specified

UniProt P38241

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain Q; UniProt 1–364 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

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

View Construct and Data Evidence
UniProt name SLT11_YEAST
Isoform
PDB entities 12
Chains and sequence ranges Author chain Q; PDBConstruct 1–364; UniProt 1–364

Pre-mRNA-splicing factor CWC2

OrganismNot specified

UniProt Q12046

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain R; UniProt 1–339 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

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

View Construct and Data Evidence
UniProt name CWC2_YEAST
Isoform
PDB entities 13
Chains and sequence ranges Author chain R; PDBConstruct 1–339; UniProt 1–339

Pre-mRNA-splicing factor CWC15

OrganismNot specified

UniProt Q03772

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain S; UniProt 1–175 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

14 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CWC15_YEAST
Isoform
PDB entities 14
Chains and sequence ranges Author chain S; PDBConstruct 1–175; UniProt 1–175

Pre-mRNA-splicing factor BUD31

OrganismNot specified

UniProt P25337

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain T; UniProt 1–157 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

17 other PDB entries and 17 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BUD31_YEAST
Isoform
PDB entities 15
Chains and sequence ranges Author chain T; PDBConstruct 1–157; UniProt 1–157

Pre-mRNA-splicing factor CWC22

OrganismNot specified

UniProt P53333

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain Z; UniProt 1–577 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CWC22_YEAST
Isoform
PDB entities 16
Chains and sequence ranges Author chain Z; PDBConstruct 1–577; UniProt 1–577

Pre-mRNA-splicing factor CEF1

OrganismNot specified

UniProt Q03654

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain c; UniProt 1–253 Chain c; UniProt 482–587 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

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

View Construct and Data Evidence
UniProt name CEF1_YEAST
Isoform
PDB entities 17
Chains and sequence ranges Author chain c; PDBConstruct 1–253; UniProt 1–253 Author chain c; PDBConstruct 482–587; UniProt 482–587

Pre-mRNA-splicing factor CLF1

OrganismNot specified

UniProt Q12309

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain d; UniProt 1–275 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

15 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CLF1_YEAST
Isoform
PDB entities 18
Chains and sequence ranges Author chain d; PDBConstruct 1–275; UniProt 1–275

Protein CWC16

OrganismNot specified

UniProt P28320

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain F; UniProt 1–278 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CWC16_YEAST
Isoform
PDB entities 19
Chains and sequence ranges Author chain F; PDBConstruct 1–278; UniProt 1–278

Pre-mRNA-splicing factor CWC25

OrganismNot specified

UniProt P53854

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain G; UniProt 1–179 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CWC25_YEAST
Isoform
PDB entities 20
Chains and sequence ranges Author chain G; PDBConstruct 1–179; UniProt 1–179

Pre-mRNA-splicing factor ISY1

OrganismNot specified

UniProt P21374

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain H; UniProt 1–235 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

6 other PDB entries and 6 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ISY1_YEAST
Isoform
PDB entities 21
Chains and sequence ranges Author chain H; PDBConstruct 1–235; UniProt 1–235

Pre-mRNA-splicing factor SYF2

OrganismNot specified

UniProt P53277

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain I; UniProt 1–215 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SYF2_YEAST
Isoform
PDB entities 22
Chains and sequence ranges Author chain I; PDBConstruct 1–215; UniProt 1–215

Pre-mRNA-splicing factor SYF1

OrganismNot specified

UniProt Q04048

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain v; UniProt 569–734 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

15 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SYF1_YEAST
Isoform
PDB entities 23
Chains and sequence ranges Author chain v; PDBConstruct 569–734; UniProt 569–734

Pre-mRNA-processing factor 17

OrganismNot specified

UniProt P40968

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain n; UniProt 1–455 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRP17_YEAST
Isoform
PDB entities 24
Chains and sequence ranges Author chain n; PDBConstruct 1–455; UniProt 1–455

Pre-mRNA-processing factor 19

OrganismNot specified

UniProt P32523

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain o; UniProt 1–503 Chain p; UniProt 1–503 Chain q; UniProt 1–503 Chain r; UniProt 1–503 Mutation:Q315S, I317E Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

18 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRP19_YEAST
Isoform
PDB entities 25
Chains and sequence ranges Author chain o; PDBConstruct 1–503; UniProt 1–503 Author chain p; PDBConstruct 1–503; UniProt 1–503 Author chain q; PDBConstruct 1–503; UniProt 1–503 Author chain r; PDBConstruct 1–503; UniProt 1–503

Pre-mRNA-splicing factor SNT309

OrganismNot specified

UniProt Q06091

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain t; UniProt 1–175 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SN309_YEAST
Isoform
PDB entities 26
Chains and sequence ranges Author chain t; PDBConstruct 1–175; UniProt 1–175

Small nuclear ribonucleoprotein-associated protein B

OrganismNot specified

UniProt P40018

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain k; UniProt 1–196 Chain s; UniProt 1–196 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

33 other PDB entries and 33 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RSMB_YEAST
Isoform
PDB entities 27
Chains and sequence ranges Author chain k; PDBConstruct 1–196; UniProt 1–196 Author chain s; PDBConstruct 1–196; UniProt 1–196

Small nuclear ribonucleoprotein E

OrganismNot specified

UniProt Q12330

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain i; UniProt 1–94 Chain u; UniProt 1–94 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

33 other PDB entries and 33 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RUXE_YEAST
Isoform
PDB entities 28
Chains and sequence ranges Author chain i; PDBConstruct 1–94; UniProt 1–94 Author chain u; PDBConstruct 1–94; UniProt 1–94

Small nuclear ribonucleoprotein F

OrganismNot specified

UniProt P54999

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain h; UniProt 1–86 Chain w; UniProt 1–86 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

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

View Construct and Data Evidence
UniProt name RUXF_YEAST
Isoform
PDB entities 29
Chains and sequence ranges Author chain h; PDBConstruct 1–86; UniProt 1–86 Author chain w; PDBConstruct 1–86; UniProt 1–86

Small nuclear ribonucleoprotein G

OrganismNot specified

UniProt P40204

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain j; UniProt 1–77 Chain x; UniProt 1–77 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

34 other PDB entries and 34 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RUXG_YEAST
Isoform
PDB entities 30
Chains and sequence ranges Author chain j; PDBConstruct 1–77; UniProt 1–77 Author chain x; PDBConstruct 1–77; UniProt 1–77

Small nuclear ribonucleoprotein Sm D3

OrganismNot specified

UniProt P43321

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain l; UniProt 1–101 Chain y; UniProt 1–101 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

33 other PDB entries and 33 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SMD3_YEAST
Isoform
PDB entities 31
Chains and sequence ranges Author chain l; PDBConstruct 1–101; UniProt 1–101 Author chain y; PDBConstruct 1–101; UniProt 1–101

Small nuclear ribonucleoprotein Sm D1

OrganismNot specified

UniProt Q02260

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain m; UniProt 1–146 Chain z; UniProt 1–146 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

33 other PDB entries and 33 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SMD1_YEAST
Isoform
PDB entities 32
Chains and sequence ranges Author chain m; PDBConstruct 1–146; UniProt 1–146 Author chain z; PDBConstruct 1–146; UniProt 1–146

Small nuclear ribonucleoprotein Sm D2

OrganismNot specified

UniProt Q06217

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain e; UniProt 1–110 Chain g; UniProt 1–110 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

33 other PDB entries and 33 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SMD2_YEAST
Isoform
PDB entities 33
Chains and sequence ranges Author chain e; PDBConstruct 1–110; UniProt 1–110 Author chain g; PDBConstruct 1–110; UniProt 1–110

;U2 small nuclear ribonucleoprotein B'' ;

OrganismNot specified

UniProt P40567

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain a; UniProt 1–111 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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 MSL1_YEAST
Isoform
PDB entities 34
Chains and sequence ranges Author chain a; PDBConstruct 1–111; UniProt 1–111

;U2 small nuclear ribonucleoprotein A' ;

OrganismNot specified

UniProt Q08963

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 × 39 RNA 6 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain b; UniProt 1–238 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Intron_BPS × 1 5'-Exon × 1 ;5'-Splicing Site ; × 1 Pre-mRNA-splicing factor CWC21 × 1 (Q03375) Pre-mRNA-splicing factor PRP46 × 1 (Q12417) Pre-mRNA-processing protein 45 × 1 (P28004) Pre-mRNA-splicing factor SLT11 × 1 (P38241) Pre-mRNA-splicing factor CWC2 × 1 (Q12046) Pre-mRNA-splicing factor CWC15 × 1 (Q03772) Pre-mRNA-splicing factor BUD31 × 1 (P25337) Pre-mRNA-splicing factor CWC22 × 1 (P53333) Pre-mRNA-splicing factor CEF1 × 1 (Q03654) Pre-mRNA-splicing factor CLF1 × 1 (Q12309) Protein CWC16 × 1 (P28320) Pre-mRNA-splicing factor CWC25 × 1 (P53854) Pre-mRNA-splicing factor ISY1 × 1 (P21374) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-splicing factor SYF1 × 1 (Q04048) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-processing factor 19 × 4 (P32523) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;The CEB buffer (10 mM Tris-HCl, pH 8.0, 75 mM NaCl, 1 mM Mg(OAc)2, 1 mM imidazole, 0.01% NP40, 1 mM TCEP, 0.5 mM EGTA) cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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 RU2A_YEAST
Isoform
PDB entities 35
Chains and sequence ranges Author chain b; PDBConstruct 1–238; UniProt 1–238

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 5gmk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5gmk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5gmk
Deposition date deposition_date2016-07-14
Structure title titleCryo-EM structure of the Catalytic Step I spliceosome (C complex) at 3.4 angstrom resolution
Keywords keywordsRNA splicing, Spliceosome, Catalytic Step I, Intron lariat, RNA BINDING PROTEIN-RNA complex; RNA BINDING PROTEIN/RNA
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier84.78
Radius of gyration Rg (electron density) rg_electron85.35
Forward intensity I(0) i019178400000.00
Molecular weight molecular_weight1075500.0 kDa
Excluded volume excluded_volume1302500 ų
Envelope volume envelope_volume2583300 ų
Hydration-shell volume shell_volume247380 ų
Envelope diameter envelope_diameter292.9
Shell Rg shell_rg82.54
Envelope Rg envelope_rg88.03
Shape Rg shape_rg85.55
Total Rg total_rg84.68
Total atoms total_atoms75273
Residues n_residues9397
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 dmax228.6
Rg (real space) rg_real81.20
Rg uncertainty (real space) rg_real_error0.72
I(0) (real space) i0_real1.8350e+10
I(0) uncertainty (real space) i0_real_error3.2060e+08
Rg (reciprocal space) rg_reciprocal83.94
I(0) (reciprocal space) i0_reciprocal19130000000.0000
Solution quality estimate total_estimate0.9135
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary88.9
Skewness Skewness skewness0.246
Kurtosis Kurtosis kurtosis-0.571
Angular range angular_range— – 0.0900 −1
Current regularization parameter α current_alpha0.8319
Highest regularization parameter α highest_alpha1186000000.0000
Real-space data points n_real_points19
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.999; Stabil: 0.966; Sysdev: 1.000; Positv: 1.000; Valcen: 0.979; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (38)

7. Fold Classification (SCOP + CATH) 29 domains

SCOP 2.08 (10 domains)

Domain ID domain_idd5gmka_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.7 — RNA-binding domain, RBD, aka RNA recognition motif (RRM)
Family Family familyd.58.7.1 — Canonical RBD
Domain ID domain_idd5gmkb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Superfamily Superfamily superfamilyc.10.2 — L domain-like
Family Family familyc.10.2.4 — U2A'-like
Domain ID domain_idd5gmkd_
Class classa — All alpha proteins
Fold Fold folda.118 — alpha-alpha superhelix
Superfamily Superfamily superfamilya.118.8 — TPR-like
Family Family familya.118.8.7 — HAT/Suf repeat
Domain ID domain_idd5gmkf_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.395 — Pre-mRNA splicing factor Cwc16-like
Superfamily Superfamily superfamilyd.395.1 — Pre-mRNA splicing factor Cwc16-like
Family Family familyd.395.1.1 — Pre-mRNA splicing factor Cwc16-like
Domain ID domain_idd5gmkg_
Class classj — Peptides
Fold Fold foldj.142 — Pre-mRNA splicing factor Cwc25-like
Superfamily Superfamily superfamilyj.142.1 — Pre-mRNA splicing factor Cwc25-like
Family Family familyj.142.1.1 — Pre-mRNA splicing factor Cwc25-like
Domain ID domain_idd5gmkh_
Class classa — All alpha proteins
Fold Fold folda.2 — Long alpha-hairpin
Superfamily Superfamily superfamilya.2.15 — ISY1 domain-like
Family Family familya.2.15.1 — ISY1 N-terminal domain-like
Domain ID domain_idd5gmki_
Class classj — Peptides
Fold Fold foldj.141 — Pre-mRNA splicing factor Syf2-like
Superfamily Superfamily superfamilyj.141.1 — Pre-mRNA splicing factor Syf2-like
Family Family familyj.141.1.1 — Pre-mRNA splicing factor Syf2-like
Domain ID domain_idd5gmkn1
Class classb — All beta proteins
Fold Fold foldb.69 — 7-bladed beta-propeller
Superfamily Superfamily superfamilyb.69.4 — WD40 repeat-like
Family Family familyb.69.4.1 — WD40-repeat
Domain ID domain_idd5gmkn2
Class classj — Peptides
Fold Fold foldj.139 — Pre-mRNA splicing factor Prp17-like
Superfamily Superfamily superfamilyj.139.1 — Pre-mRNA splicing factor Prp17-like
Family Family familyj.139.1.1 — Pre-mRNA splicing factor Prp17-like
Domain ID domain_idd5gmkv_
Class classa — All alpha proteins
Fold Fold folda.118 — alpha-alpha superhelix
Superfamily Superfamily superfamilya.118.8 — TPR-like
Family Family familya.118.8.7 — HAT/Suf repeat

CATH v4.4 (19 domains)

Domain ID domain_id5gmkO00
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id5gmkZ01
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily180
Domain ID domain_id5gmka00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily330 — RRM (RNA recognition motif) domain
Domain ID domain_id5gmke00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id5gmkg00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id5gmkh00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id5gmki00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id5gmkj00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id5gmkl00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id5gmkm00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id5gmkn00
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id5gmkp01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology40 — Herpes Virus-1
Homologous superfamily homologous superfamily10 — Zinc/RING finger domain, C3HC4 (zinc finger)
Domain ID domain_id5gmkq01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology40 — Herpes Virus-1
Homologous superfamily homologous superfamily10 — Zinc/RING finger domain, C3HC4 (zinc finger)
Domain ID domain_id5gmkr01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology40 — Herpes Virus-1
Homologous superfamily homologous superfamily10 — Zinc/RING finger domain, C3HC4 (zinc finger)
Domain ID domain_id5gmku00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id5gmkw00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id5gmkx00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id5gmky00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id5gmkz00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100

8. Citations (1)

9. Files and Curves (10)