6j6n

Cryo-EM structure of the yeast B*-b1 complex at an average resolution of 3.86 angstrom

Method: ELECTRON MICROSCOPY Dmax: 230.0 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 × 37 RNA 4 PDB declaration: 41-meric(41) Consistent with all polymer counts Chain A; UniProt 1–2413 Not recorded Pre-mRNA-splicing factor SNU114 × 1 (P36048) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 × 37 RNA 4 PDB declaration: 41-meric(41) Consistent with all polymer counts Chain C; UniProt 1–1008 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 3
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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 4
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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 5
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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 6
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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 7
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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 8
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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 9
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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 10
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 × 37 RNA 4 PDB declaration: 41-meric(41) Consistent with all polymer counts Chain c; UniProt 1–590 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) 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) Pre-mRNA-splicing factor SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 11
Chains and sequence ranges Author chain c; PDBConstruct 1–590; UniProt 1–590

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 × 37 RNA 4 PDB declaration: 41-meric(41) Consistent with all polymer counts Chain d; UniProt 1–687 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 12
Chains and sequence ranges Author chain d; PDBConstruct 1–687; UniProt 1–687

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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 13
Chains and sequence ranges Author chain I; PDBConstruct 1–215; UniProt 1–215

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 × 37 RNA 4 PDB declaration: 41-meric(41) Consistent with all polymer counts Chain n; UniProt 1–455 Non-standard monomer:Yes (specific site not provided by mmCIF) Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) 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 SYF2 × 1 (P53277) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 14
Chains and sequence ranges Author chain n; PDBConstruct 1–455; UniProt 1–455

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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 15
Chains and sequence ranges Author chain H; PDBConstruct 1–235; UniProt 1–235

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 × 37 RNA 4 PDB declaration: 41-meric(41) Consistent with all polymer counts Chain v; UniProt 1–859 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 20
Chains and sequence ranges Author chain v; PDBConstruct 1–859; UniProt 1–859

;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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 21
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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 22
Chains and sequence ranges Author chain b; PDBConstruct 1–238; UniProt 1–238

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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 23
Chains and sequence ranges Author chain t; PDBConstruct 1–175; UniProt 1–175

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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 24
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 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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 25
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 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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 26
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 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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 27
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 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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 28
Chains and sequence ranges Author chain e; PDBConstruct 1–110; UniProt 1–110 Author chain g; PDBConstruct 1–110; UniProt 1–110

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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 29
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 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 × 37 RNA 4 PDB declaration: 41-meric(41) 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) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Pre-mRNA-processing factor 19 × 4 (P32523) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 30
Chains and sequence ranges Author chain l; PDBConstruct 1–101; UniProt 1–101 Author chain y; PDBConstruct 1–101; UniProt 1–101

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 × 37 RNA 4 PDB declaration: 41-meric(41) 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 Not recorded Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor SNU114 × 1 (P36048) 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 SYF2 × 1 (P53277) Pre-mRNA-processing factor 17 × 1 (P40968) Pre-mRNA-splicing factor ISY1 × 1 (P21374) UBC4 pre-mRNA × 1 U5 snRNA × 1 U6 snRNA × 1 U2 snRNA × 1 Pre-mRNA-splicing factor SYF1 × 1 (Q04048) ;U2 small nuclear ribonucleoprotein B'' ; × 1 (P40567) ;U2 small nuclear ribonucleoprotein A' ; × 1 (Q08963) Pre-mRNA-splicing factor SNT309 × 1 (Q06091) Small nuclear ribonucleoprotein E × 2 (Q12330) Small nuclear ribonucleoprotein Sm D1 × 2 (Q02260) Small nuclear ribonucleoprotein G × 2 (P40204) Small nuclear ribonucleoprotein F × 2 (P54999) Small nuclear ribonucleoprotein Sm D2 × 2 (Q06217) Small nuclear ribonucleoprotein-associated protein B × 2 (P40018) Small nuclear ribonucleoprotein Sm D3 × 2 (P43321) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.86 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 31
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

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 6j6n

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6j6n
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6j6n
Deposition date deposition_date2019-01-15
Structure title titleCryo-EM structure of the yeast B*-b1 complex at an average resolution of 3.86 angstrom
Keywords keywordsspliceosme, B* complex, branching, snRNP, U snRNA, SPLICING; SPLICING
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier85.87
Radius of gyration Rg (electron density) rg_electron85.47
Forward intensity I(0) i022143000000.00
Molecular weight molecular_weight1130500.0 kDa
Excluded volume excluded_volume1357700 ų
Envelope volume envelope_volume2649000 ų
Hydration-shell volume shell_volume252300 ų
Envelope diameter envelope_diameter302.0
Shell Rg shell_rg83.28
Envelope Rg envelope_rg87.43
Shape Rg shape_rg85.59
Total Rg total_rg85.07
Total atoms total_atoms78937
Residues n_residues9525
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 dmax230.0
Rg (real space) rg_real82.39
Rg uncertainty (real space) rg_real_error0.64
I(0) (real space) i0_real2.1170e+10
I(0) uncertainty (real space) i0_real_error3.5170e+08
Rg (reciprocal space) rg_reciprocal85.20
I(0) (reciprocal space) i0_reciprocal22100000000.0000
Solution quality estimate total_estimate0.9127
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary102.2
Skewness Skewness skewness0.231
Kurtosis Kurtosis kurtosis-0.583
Angular range angular_range— – 0.0900 −1
Current regularization parameter α current_alpha0.8904
Highest regularization parameter α highest_alpha1378000000.0000
Real-space data points n_real_points19
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 1.000; Stabil: 0.965; Sysdev: 1.000; Positv: 1.000; Valcen: 0.972; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (35)

7. Fold Classification (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

Domain ID domain_id6j6nZ01
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily180
Domain ID domain_id6j6na00
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_id6j6ne00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id6j6ng00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id6j6nh00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id6j6ni00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id6j6nj00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id6j6nl00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id6j6nu00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id6j6nw00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id6j6nx00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100
Domain ID domain_id6j6ny00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily100

8. Citations (1)

9. Files and Curves (10)