5gap

Body region of the U4/U6.U5 tri-snRNP

Method: ELECTRON MICROSCOPY Dmax: 179.9 Å Quality: GOOD

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 × 9 RNA 3 PDB declaration: Dodecameric(12) Consistent with all polymer counts Chain A; UniProt 1–2413 Not recorded ;U4 snRNA, 5' region, nucleotides 1-67 ; × 1 U6 snRNA × 1 U5 snRNA × 1 unknown protein × 1 U4/U6 small nuclear ribonucleoprotein PRP4 × 1 (P20053) Pre-mRNA-splicing factor 6 × 1 (P19735) Spliceosomal protein DIB1 × 1 (Q06819) Pre-mRNA-processing factor 31 × 1 (P49704) U4/U6 small nuclear ribonucleoprotein PRP3 × 1 (Q03338) 13 kDa ribonucleoprotein-associated protein × 1 (P39990) Pre-mRNA-splicing helicase BRR2 × 1 (P32639) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE;Grids were blotted at 4 deg C for 2 seconds before plunging. Resolution 3.60 Å

Other States of the Same Protein in the Database

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

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 5
Chains and sequence ranges Author chain A; PDBConstruct 1–2413; UniProt 1–2413

U4/U6 small nuclear ribonucleoprotein PRP4

OrganismNot specified

UniProt P20053

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 × 9 RNA 3 PDB declaration: Dodecameric(12) Consistent with all polymer counts Chain H; UniProt 1–465 Not recorded ;U4 snRNA, 5' region, nucleotides 1-67 ; × 1 U6 snRNA × 1 U5 snRNA × 1 unknown protein × 1 Pre-mRNA-splicing factor 8 × 1 (P33334) Pre-mRNA-splicing factor 6 × 1 (P19735) Spliceosomal protein DIB1 × 1 (Q06819) Pre-mRNA-processing factor 31 × 1 (P49704) U4/U6 small nuclear ribonucleoprotein PRP3 × 1 (Q03338) 13 kDa ribonucleoprotein-associated protein × 1 (P39990) Pre-mRNA-splicing helicase BRR2 × 1 (P32639) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE;Grids were blotted at 4 deg C for 2 seconds before plunging. Resolution 3.60 Å

Other States of the Same Protein in the Database

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

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

View Construct and Data Evidence
UniProt name PRP4_YEAST
Isoform
PDB entities 6
Chains and sequence ranges Author chain H; PDBConstruct 1–465; UniProt 1–465

Pre-mRNA-splicing factor 6

OrganismNot specified

UniProt P19735

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 × 9 RNA 3 PDB declaration: Dodecameric(12) Consistent with all polymer counts Chain J; UniProt 1–899 Not recorded ;U4 snRNA, 5' region, nucleotides 1-67 ; × 1 U6 snRNA × 1 U5 snRNA × 1 unknown protein × 1 Pre-mRNA-splicing factor 8 × 1 (P33334) U4/U6 small nuclear ribonucleoprotein PRP4 × 1 (P20053) Spliceosomal protein DIB1 × 1 (Q06819) Pre-mRNA-processing factor 31 × 1 (P49704) U4/U6 small nuclear ribonucleoprotein PRP3 × 1 (Q03338) 13 kDa ribonucleoprotein-associated protein × 1 (P39990) Pre-mRNA-splicing helicase BRR2 × 1 (P32639) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE;Grids were blotted at 4 deg C for 2 seconds before plunging. Resolution 3.60 Å

Other States of the Same Protein in the Database

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

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

View Construct and Data Evidence
UniProt name PRP6_YEAST
Isoform
PDB entities 7
Chains and sequence ranges Author chain J; PDBConstruct 1–899; UniProt 1–899

Spliceosomal protein DIB1

OrganismNot specified

UniProt Q06819

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 × 9 RNA 3 PDB declaration: Dodecameric(12) Consistent with all polymer counts Chain D; UniProt 1–143 Not recorded ;U4 snRNA, 5' region, nucleotides 1-67 ; × 1 U6 snRNA × 1 U5 snRNA × 1 unknown protein × 1 Pre-mRNA-splicing factor 8 × 1 (P33334) U4/U6 small nuclear ribonucleoprotein PRP4 × 1 (P20053) Pre-mRNA-splicing factor 6 × 1 (P19735) Pre-mRNA-processing factor 31 × 1 (P49704) U4/U6 small nuclear ribonucleoprotein PRP3 × 1 (Q03338) 13 kDa ribonucleoprotein-associated protein × 1 (P39990) Pre-mRNA-splicing helicase BRR2 × 1 (P32639) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE;Grids were blotted at 4 deg C for 2 seconds before plunging. Resolution 3.60 Å

Other States of the Same Protein in the Database

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

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

View Construct and Data Evidence
UniProt name DIB1_YEAST
Isoform
PDB entities 8
Chains and sequence ranges Author chain D; PDBConstruct 1–143; UniProt 1–143

Pre-mRNA-processing factor 31

OrganismNot specified

UniProt P49704

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 × 9 RNA 3 PDB declaration: Dodecameric(12) Consistent with all polymer counts Chain F; UniProt 1–494 Not recorded ;U4 snRNA, 5' region, nucleotides 1-67 ; × 1 U6 snRNA × 1 U5 snRNA × 1 unknown protein × 1 Pre-mRNA-splicing factor 8 × 1 (P33334) U4/U6 small nuclear ribonucleoprotein PRP4 × 1 (P20053) Pre-mRNA-splicing factor 6 × 1 (P19735) Spliceosomal protein DIB1 × 1 (Q06819) U4/U6 small nuclear ribonucleoprotein PRP3 × 1 (Q03338) 13 kDa ribonucleoprotein-associated protein × 1 (P39990) Pre-mRNA-splicing helicase BRR2 × 1 (P32639) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE;Grids were blotted at 4 deg C for 2 seconds before plunging. Resolution 3.60 Å

Other States of the Same Protein in the Database

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

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

View Construct and Data Evidence
UniProt name PRP31_YEAST
Isoform
PDB entities 9
Chains and sequence ranges Author chain F; PDBConstruct 1–494; UniProt 1–494

U4/U6 small nuclear ribonucleoprotein PRP3

OrganismNot specified

UniProt Q03338

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 × 9 RNA 3 PDB declaration: Dodecameric(12) Consistent with all polymer counts Chain G; UniProt 1–469 Not recorded ;U4 snRNA, 5' region, nucleotides 1-67 ; × 1 U6 snRNA × 1 U5 snRNA × 1 unknown protein × 1 Pre-mRNA-splicing factor 8 × 1 (P33334) U4/U6 small nuclear ribonucleoprotein PRP4 × 1 (P20053) Pre-mRNA-splicing factor 6 × 1 (P19735) Spliceosomal protein DIB1 × 1 (Q06819) Pre-mRNA-processing factor 31 × 1 (P49704) 13 kDa ribonucleoprotein-associated protein × 1 (P39990) Pre-mRNA-splicing helicase BRR2 × 1 (P32639) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE;Grids were blotted at 4 deg C for 2 seconds before plunging. Resolution 3.60 Å

Other States of the Same Protein in the Database

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

8 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRP3_YEAST
Isoform
PDB entities 10
Chains and sequence ranges Author chain G; PDBConstruct 1–469; UniProt 1–469

13 kDa ribonucleoprotein-associated protein

OrganismNot specified

UniProt P39990

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 × 9 RNA 3 PDB declaration: Dodecameric(12) Consistent with all polymer counts Chain K; UniProt 1–126 Not recorded ;U4 snRNA, 5' region, nucleotides 1-67 ; × 1 U6 snRNA × 1 U5 snRNA × 1 unknown protein × 1 Pre-mRNA-splicing factor 8 × 1 (P33334) U4/U6 small nuclear ribonucleoprotein PRP4 × 1 (P20053) Pre-mRNA-splicing factor 6 × 1 (P19735) Spliceosomal protein DIB1 × 1 (Q06819) Pre-mRNA-processing factor 31 × 1 (P49704) U4/U6 small nuclear ribonucleoprotein PRP3 × 1 (Q03338) Pre-mRNA-splicing helicase BRR2 × 1 (P32639) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE;Grids were blotted at 4 deg C for 2 seconds before plunging. Resolution 3.60 Å

Other States of the Same Protein in the Database

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

47 other PDB entries and 48 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SNU13_YEAST
Isoform
PDB entities 11
Chains and sequence ranges Author chain K; PDBConstruct 1–126; UniProt 1–126

Pre-mRNA-splicing helicase BRR2

OrganismNot specified

UniProt P32639

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 × 9 RNA 3 PDB declaration: Dodecameric(12) Consistent with all polymer counts Chain B; UniProt 1–2163 Not recorded ;U4 snRNA, 5' region, nucleotides 1-67 ; × 1 U6 snRNA × 1 U5 snRNA × 1 unknown protein × 1 Pre-mRNA-splicing factor 8 × 1 (P33334) U4/U6 small nuclear ribonucleoprotein PRP4 × 1 (P20053) Pre-mRNA-splicing factor 6 × 1 (P19735) Spliceosomal protein DIB1 × 1 (Q06819) Pre-mRNA-processing factor 31 × 1 (P49704) U4/U6 small nuclear ribonucleoprotein PRP3 × 1 (Q03338) 13 kDa ribonucleoprotein-associated protein × 1 (P39990) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9 cryo-EM vitrification conditions:Cryogen ETHANE;Grids were blotted at 4 deg C for 2 seconds before plunging. Resolution 3.60 Å

Other States of the Same Protein in the Database

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

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

View Construct and Data Evidence
UniProt name BRR2_YEAST
Isoform
PDB entities 12
Chains and sequence ranges Author chain B; PDBConstruct 1–2163; UniProt 1–2163

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 5gap

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id5gap
Deposition date deposition_date2015-12-15
Structure title titleBody region of the U4/U6.U5 tri-snRNP
Keywords keywordsTranscription, snRNP, spliceosome, RNA-protein complex, U4/U6.U5 snRNP; TRANSCRIPTION
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier54.15
Radius of gyration Rg (electron density) rg_electron54.28
Forward intensity I(0) i03271370000.00
Molecular weight molecular_weight451140.0 kDa
Excluded volume excluded_volume552510 ų
Envelope volume envelope_volume817200 ų
Hydration-shell volume shell_volume121410 ų
Envelope diameter envelope_diameter190.0
Shell Rg shell_rg60.73
Envelope Rg envelope_rg53.24
Shape Rg shape_rg54.32
Total Rg total_rg54.32
Total atoms total_atoms31576
Residues n_residues3727
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 dmax179.9
Rg (real space) rg_real54.06
Rg uncertainty (real space) rg_real_error1.40
I(0) (real space) i0_real3.2710e+09
I(0) uncertainty (real space) i0_real_error6.7310e+07
Rg (reciprocal space) rg_reciprocal54.21
I(0) (reciprocal space) i0_reciprocal3272000000.0000
Solution quality estimate total_estimate0.8725
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary68.2
Skewness Skewness skewness0.307
Kurtosis Kurtosis kurtosis-0.313
Angular range angular_range— – 0.1450 −1
Current regularization parameter α current_alpha0.0002
Highest regularization parameter α highest_alpha263300000.0000
Real-space data points n_real_points30
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.851; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.979; Smooth: 0.804

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (12)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id5gapD00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id5gapK00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily30 — Ribosomal protein L30/S12

8. Citations (1)

9. Files and Curves (10)