3p1d

Crystal structure of the bromodomain of human CREBBP in complex with N-Methyl-2-pyrrolidone (NMP)

Method: X-RAY DIFFRACTION Dmax: 66.8 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 Fragment:Bromo domain, UNP residues 1081-1197 SCN THIOCYANATE ION × 1 MB3 1-methylpyrrolidin-2-one × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;277 K;0.2M KSCN 20% PEG3350 5% EtGly, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 1.86 Å R-free 0.218
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1081–1197 Fragment:Bromo domain, UNP residues 1081-1197 MB3 1-methylpyrrolidin-2-one × 1 K POTASSIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;277 K;0.2M KSCN 20% PEG3350 5% EtGly, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 1.86 Å R-free 0.218

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 223 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

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 3p1d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3p1d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3p1d
Deposition date deposition_date2010-09-30
Structure title titleCrystal structure of the bromodomain of human CREBBP in complex with N-Methyl-2-pyrrolidone (NMP)
Keywords keywordsStructural Genomics Consortium, SGC, CBP, CREBBP, CREB binding protein isoform a, KAT3A, RSTS, RST, bromodomain, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.50
Radius of gyration Rg (electron density) rg_electron19.65
Forward intensity I(0) i011426200.00
Molecular weight molecular_weight26595.0 kDa
Excluded volume excluded_volume33787 ų
Envelope volume envelope_volume39991 ų
Hydration-shell volume shell_volume17479 ų
Envelope diameter envelope_diameter68.8
Shell Rg shell_rg25.40
Envelope Rg envelope_rg19.70
Shape Rg shape_rg19.65
Total Rg total_rg20.55
Total atoms total_atoms1877
Residues n_residues229
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 dmax66.8
Rg (real space) rg_real20.47
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real1.1430e+07
I(0) uncertainty (real space) i0_real_error1.5470e+05
Rg (reciprocal space) rg_reciprocal20.48
I(0) (reciprocal space) i0_reciprocal11430000.0000
Solution quality estimate total_estimate0.8159
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.0
Skewness Skewness skewness0.269
Kurtosis Kurtosis kurtosis-0.456
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3748000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.870; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3p1da_
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_idd3p1db_
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 (2 domains)

Domain ID domain_id3p1dA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id3p1dB00
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)