6qst

Structure of CREBBP bromodomain with compound 2 bound

Method: X-RAY DIFFRACTION Dmax: 102.3 Å Quality: GOOD

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

CREB-binding protein

Homo sapiens

UniProt Q92793

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1081–1197 Not recorded JGK ~{N}-[3-(3-azanyl-5-methyl-1,2-oxazol-4-yl)-5-(5-ethanoyl-2-ethoxy-phenyl)phenyl]furan-2-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;0.1 M Bis-Tris propane pH 7.5, 0.02 M Sodium/potassium phosphate, 20% w/v PEG 3350 Resolution 2.10 Å R-free 0.219
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1081–1197 Not recorded JGK ~{N}-[3-(3-azanyl-5-methyl-1,2-oxazol-4-yl)-5-(5-ethanoyl-2-ethoxy-phenyl)phenyl]furan-2-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;0.1 M Bis-Tris propane pH 7.5, 0.02 M Sodium/potassium phosphate, 20% w/v PEG 3350 Resolution 2.10 Å R-free 0.219
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1081–1197 Not recorded JGK ~{N}-[3-(3-azanyl-5-methyl-1,2-oxazol-4-yl)-5-(5-ethanoyl-2-ethoxy-phenyl)phenyl]furan-2-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;0.1 M Bis-Tris propane pH 7.5, 0.02 M Sodium/potassium phosphate, 20% w/v PEG 3350 Resolution 2.10 Å R-free 0.219
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 1081–1197 Not recorded JGK ~{N}-[3-(3-azanyl-5-methyl-1,2-oxazol-4-yl)-5-(5-ethanoyl-2-ethoxy-phenyl)phenyl]furan-2-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;0.1 M Bis-Tris propane pH 7.5, 0.02 M Sodium/potassium phosphate, 20% w/v PEG 3350 Resolution 2.10 Å R-free 0.219

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.

135 other PDB entries and 221 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CBP_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–119; UniProt 1081–1197 Author chain B; PDBConstruct 3–119; UniProt 1081–1197 Author chain C; PDBConstruct 3–119; UniProt 1081–1197 Author chain D; PDBConstruct 3–119; UniProt 1081–1197

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 6qst

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6qst
Deposition date deposition_date2019-02-22
Structure title titleStructure of CREBBP bromodomain with compound 2 bound
Keywords keywordsCREBBP, bromodomain, histone binding, acetyllysine binding, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.78
Radius of gyration Rg (electron density) rg_electron29.44
Forward intensity I(0) i043739600.00
Molecular weight molecular_weight54216.0 kDa
Excluded volume excluded_volume68764 ų
Envelope volume envelope_volume88513 ų
Hydration-shell volume shell_volume26514 ų
Envelope diameter envelope_diameter106.9
Shell Rg shell_rg34.74
Envelope Rg envelope_rg28.97
Shape Rg shape_rg29.45
Total Rg total_rg29.99
Total atoms total_atoms3836
Residues n_residues454
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 dmax102.3
Rg (real space) rg_real29.90
Rg uncertainty (real space) rg_real_error0.83
I(0) (real space) i0_real4.3740e+07
I(0) uncertainty (real space) i0_real_error7.2600e+05
Rg (reciprocal space) rg_reciprocal29.85
I(0) (reciprocal space) i0_reciprocal43740000.0000
Solution quality estimate total_estimate0.8776
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary34.7
Skewness Skewness skewness0.395
Kurtosis Kurtosis kurtosis-0.400
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha6728000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.855; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.869; Smooth: 0.969

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd6qsta_
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.2 — Bromodomain
Family Family familya.29.2.1 — Bromodomain
Domain ID domain_idd6qstb_
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.2 — Bromodomain
Family Family familya.29.2.1 — Bromodomain
Domain ID domain_idd6qstc_
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.2 — Bromodomain
Family Family familya.29.2.1 — Bromodomain
Domain ID domain_idd6qstd_
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.2 — Bromodomain
Family Family familya.29.2.1 — Bromodomain

CATH v4.4 (4 domains)

Domain ID domain_id6qstA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id6qstB00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id6qstC00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id6qstD00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like

8. Citations (1)

9. Files and Curves (10)