6v8n

Crystal structure of the p300 acetyltransferase domain with AcCoA competitive inhibitor 17

Method: X-RAY DIFFRACTION Dmax: 84.5 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 Non-standard monomer:Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 2 CL CHLORIDE ION × 1 QS1 (2R)-2-{[(2S)-2-(4-cyanophenyl)propyl]amino}-N-[5-(1-methyl-1H-pyrazol-4-yl)pyridin-2-yl]-2-phenylacetamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;277 K;0.2 M Ammonium Sulfate, 0.1 M BisTris pH 5.5, 20% PEG 3350, streak-seed with loop Resolution 2.30 Å R-free 0.247

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 2–349; 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 6v8n

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6v8n
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6v8n
Deposition date deposition_date2019-12-11
Structure title titleCrystal structure of the p300 acetyltransferase domain with AcCoA competitive inhibitor 17
Keywords keywordsepigenetics, chromatin, writer, TRANSFERASE, TRANSFERASE-INHIBITOR complex; TRANSFERASE/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.10
Radius of gyration Rg (electron density) rg_electron20.83
Forward intensity I(0) i023857400.00
Molecular weight molecular_weight37498.0 kDa
Excluded volume excluded_volume46973 ų
Envelope volume envelope_volume56969 ų
Hydration-shell volume shell_volume22732 ų
Envelope diameter envelope_diameter85.1
Shell Rg shell_rg27.47
Envelope Rg envelope_rg22.00
Shape Rg shape_rg20.80
Total Rg total_rg21.80
Total atoms total_atoms2645
Residues n_residues326
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 dmax84.5
Rg (real space) rg_real22.12
Rg uncertainty (real space) rg_real_error0.79
I(0) (real space) i0_real2.3860e+07
I(0) uncertainty (real space) i0_real_error3.4970e+05
Rg (reciprocal space) rg_reciprocal22.12
I(0) (reciprocal space) i0_reciprocal23860000.0000
Solution quality estimate total_estimate0.7965
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.5
Skewness Skewness skewness0.496
Kurtosis Kurtosis kurtosis0.291
Angular range angular_range— – 0.3600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6747000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.510; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.827; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)