3biy

Crystal structure of p300 histone acetyltransferase domain in complex with a bisubstrate inhibitor, Lys-CoA

Method: X-RAY DIFFRACTION Dmax: 68.3 Å Quality: GOOD

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

Histone acetyltransferase p300

Homo sapiens

UniProt Q09472

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 1287–1666 Fragment:acetyltransferase domain Mutation:K1637R, M1652G BR BROMIDE ION × 5 01K [(2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-4-hydroxy-3-(phosphonooxy)tetrahydrofuran-2-yl]methyl (3R,20R)-20-carbamoyl-3-hydroxy-2,2-dimethyl-4,8,14,22-tetraoxo-12-thia-5,9,15,21-tetraazatricos-1-yl dihydrogen diphosphate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;0.1 M HEPES sodium pH 7.5, 20% w/v polyethylene glycol 4,000, 10% v/v 2-Propanol , VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.70 Å R-free 0.213

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.

58 other PDB entries and 92 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name EP300_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–380; UniProt 1287–1666

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 3biy

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3biy
Deposition date deposition_date2007-12-02
Structure title titleCrystal structure of p300 histone acetyltransferase domain in complex with a bisubstrate inhibitor, Lys-CoA
Keywords keywordsp300 HAT, Bisubstrate inhibitor, protein-inhibitor complex, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.01
Radius of gyration Rg (electron density) rg_electron19.95
Forward intensity I(0) i047857200.00
Molecular weight molecular_weight35487.0 kDa
Excluded volume excluded_volume33995 ų
Envelope volume envelope_volume55361 ų
Hydration-shell volume shell_volume22765 ų
Envelope diameter envelope_diameter68.3
Shell Rg shell_rg26.87
Envelope Rg envelope_rg20.33
Shape Rg shape_rg19.87
Total Rg total_rg20.74
Total atoms total_atoms2658
Residues n_residues317
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 dmax68.3
Rg (real space) rg_real20.92
Rg uncertainty (real space) rg_real_error0.30
I(0) (real space) i0_real4.7860e+07
I(0) uncertainty (real space) i0_real_error6.2760e+05
Rg (reciprocal space) rg_reciprocal20.93
I(0) (reciprocal space) i0_reciprocal47860000.0000
Solution quality estimate total_estimate0.8870
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks0
Primary peak position r_peak_primary
Skewness Skewness skewness0.260
Kurtosis Kurtosis kurtosis-0.311
Angular range angular_range— – 0.3800 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha10430000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.844; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3biya_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.108 — Acyl-CoA N-acyltransferases (Nat)
Superfamily Superfamily superfamilyd.108.1 — Acyl-CoA N-acyltransferases (Nat)
Family Family familyd.108.1.11 — Histone acyltransferase p300-like

8. Citations (1)

9. Files and Curves (10)