7ssk

Human P300 complexed with a glycine-based inhibitor

Method: X-RAY DIFFRACTION Dmax: 91.8 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 1048–1519 Chain A; UniProt 1582–1664 Mutation:Y1467F, residues 1520-1581 replaced with SGGSG ZN ZINC ION × 2 EDO 1,2-ETHANEDIOL × 1 C3I N-[2-(4-methoxyanilino)-2-oxoethyl]-N-methyl-1-phenylcyclopentane-1-carboxamide × 1 ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6.5;277 K;20% PEG3350, 0.1 M MES pH 6.5 Resolution 2.36 Å R-free 0.235

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 10–481; UniProt 1048–1519 Author chain A; PDBConstruct 487–569; UniProt 1582–1664

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 7ssk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7ssk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7ssk
Deposition date deposition_date2021-11-11
Structure title titleHuman P300 complexed with a glycine-based inhibitor
Keywords keywordsHistone acetyltransferase, 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_guinier28.71
Radius of gyration Rg (electron density) rg_electron28.23
Forward intensity I(0) i048140200.00
Molecular weight molecular_weight55100.0 kDa
Excluded volume excluded_volume69196 ų
Envelope volume envelope_volume87488 ų
Hydration-shell volume shell_volume27425 ų
Envelope diameter envelope_diameter97.3
Shell Rg shell_rg33.85
Envelope Rg envelope_rg28.27
Shape Rg shape_rg28.22
Total Rg total_rg28.85
Total atoms total_atoms3878
Residues n_residues482
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 dmax91.8
Rg (real space) rg_real28.86
Rg uncertainty (real space) rg_real_error0.86
I(0) (real space) i0_real4.8140e+07
I(0) uncertainty (real space) i0_real_error7.7590e+05
Rg (reciprocal space) rg_reciprocal28.80
I(0) (reciprocal space) i0_reciprocal48140000.0000
Solution quality estimate total_estimate0.8626
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.4
Skewness Skewness skewness0.455
Kurtosis Kurtosis kurtosis-0.484
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6809000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.872; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.874; Smooth: 0.720

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id7sskA01
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)