5lkt

Crystal structure of the p300 acetyltransferase catalytic core with butyryl-coenzyme A.

Method: X-RAY DIFFRACTION Dmax: 96.2 Å Quality: REASONABLE

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

Histone acetyltransferase p300,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 1043–1519 Chain A; UniProt 1581–1666 Fragment:UNP residues 1043-1519,UNP residues 1581-1666 Mutation:Y1467F,Y1467F ZN ZINC ION × 4 BCO Butyryl Coenzyme A × 1 GOL GLYCEROL × 3 DMS DIMETHYL SULFOXIDE × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;Tris, PEG MME 2000 Resolution 2.04 Å R-free 0.204

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 11–487; UniProt 1043–1519 Author chain A; PDBConstruct 493–578; UniProt 1581–1666

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 5lkt

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5lkt
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5lkt
Deposition date deposition_date2016-07-24
Structure title titleCrystal structure of the p300 acetyltransferase catalytic core with butyryl-coenzyme A.
Keywords keywordsp300 acetyltransferase, butyryl-CoA, chromatin modification, acylation, transferase; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.37
Radius of gyration Rg (electron density) rg_electron28.74
Forward intensity I(0) i071345800.00
Molecular weight molecular_weight65362.0 kDa
Excluded volume excluded_volume81358 ų
Envelope volume envelope_volume104380 ų
Hydration-shell volume shell_volume31247 ų
Envelope diameter envelope_diameter95.4
Shell Rg shell_rg35.15
Envelope Rg envelope_rg28.48
Shape Rg shape_rg28.74
Total Rg total_rg29.37
Total atoms total_atoms4573
Residues n_residues551
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 dmax96.2
Rg (real space) rg_real29.39
Rg uncertainty (real space) rg_real_error0.64
I(0) (real space) i0_real7.1350e+07
I(0) uncertainty (real space) i0_real_error1.0640e+06
Rg (reciprocal space) rg_reciprocal29.38
I(0) (reciprocal space) i0_reciprocal71350000.0000
Solution quality estimate total_estimate0.7164
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary33.8
Skewness Skewness skewness0.337
Kurtosis Kurtosis kurtosis-0.438
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9223000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.913; Stabil: 1.000; Sysdev: 0.218; Positv: 1.000; Valcen: 0.987; Smooth: 0.931

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id5lktA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id5lktA02
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology110 — Cysteine Rich Protein
Homologous superfamily homologous superfamily40 — CREB-binding protein/p300 RING domain
Domain ID domain_id5lktA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology40 — Herpes Virus-1
Homologous superfamily homologous superfamily10 — Zinc/RING finger domain, C3HC4 (zinc finger)

8. Citations (1)

9. Files and Curves (10)