6pgu

Crystal structure of the p300 acetyltransferase domain with allosteric inhibitor CPI-076 and CoA

Method: X-RAY DIFFRACTION Dmax: 90.9 Å Quality: EXCELLENT

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 1287–1519 Chain A; UniProt 1582–1663 Mutation:Y1467F, loop deletion COA COENZYME A × 1 OK7 N-(thiophen-2-yl)acetamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;277 K;20% MPD, 0.1 M Tris pH 8, 7.5% PEG-MME 5000 Resolution 1.72 Å R-free 0.206
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1287–1519 Chain B; UniProt 1582–1663 Mutation:Y1467F, loop deletion COA COENZYME A × 1 OK7 N-(thiophen-2-yl)acetamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;277 K;20% MPD, 0.1 M Tris pH 8, 7.5% PEG-MME 5000 Resolution 1.72 Å R-free 0.206

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 91 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 3–235; UniProt 1287–1519 Author chain A; PDBConstruct 242–323; UniProt 1582–1663 Author chain B; PDBConstruct 3–235; UniProt 1287–1519 Author chain B; PDBConstruct 242–323; UniProt 1582–1663

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 6pgu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6pgu
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id6pgu
Deposition date deposition_date2019-06-24
Structure title titleCrystal structure of the p300 acetyltransferase domain with allosteric inhibitor CPI-076 and CoA
Keywords keywords;EP300, p300 acetyltransferase, chromatin modification, epigenetics, inhibitor, allosteric, 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_guinier29.30
Radius of gyration Rg (electron density) rg_electron28.32
Forward intensity I(0) i090090100.00
Molecular weight molecular_weight74548.0 kDa
Excluded volume excluded_volume93222 ų
Envelope volume envelope_volume114820 ų
Hydration-shell volume shell_volume33744 ų
Envelope diameter envelope_diameter97.2
Shell Rg shell_rg35.54
Envelope Rg envelope_rg28.07
Shape Rg shape_rg28.29
Total Rg total_rg29.11
Total atoms total_atoms5242
Residues n_residues628
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 dmax90.9
Rg (real space) rg_real29.25
Rg uncertainty (real space) rg_real_error0.67
I(0) (real space) i0_real9.0090e+07
I(0) uncertainty (real space) i0_real_error1.3720e+06
Rg (reciprocal space) rg_reciprocal29.28
I(0) (reciprocal space) i0_reciprocal90090000.0000
Solution quality estimate total_estimate0.9087
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.3
Skewness Skewness skewness0.253
Kurtosis Kurtosis kurtosis-0.578
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22520000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.955; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.944

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)