6ds6

Crystal structure of p300 ZZ domain in complex with histone H3 peptide

Method: X-RAY DIFFRACTION Dmax: 60.3 Å Quality: REASONABLE

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

Histone H3 peptide-Histone acetyltransferase p300 Chimeric protein

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1663–1713 Not recorded ZN ZINC ION × 4 CL CHLORIDE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;0.1 M HEPES and 70% MPD (pH 7.5) Resolution 1.95 Å R-free 0.253

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 7–57; UniProt 1663–1713

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 6ds6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6ds6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6ds6
Deposition date deposition_date2018-06-13
Structure title titleCrystal structure of p300 ZZ domain in complex with histone H3 peptide
Keywords keywordsp300, ZZ domain, histone, chromatin, GENE REGULATION, Transferase; GENE REGULATION, Transferase
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier14.53
Radius of gyration Rg (electron density) rg_electron14.38
Forward intensity I(0) i01249260.00
Molecular weight molecular_weight6583.0 kDa
Excluded volume excluded_volume7821 ų
Envelope volume envelope_volume10396 ų
Hydration-shell volume shell_volume7344 ų
Envelope diameter envelope_diameter58.2
Shell Rg shell_rg18.09
Envelope Rg envelope_rg16.36
Shape Rg shape_rg14.36
Total Rg total_rg15.29
Total atoms total_atoms449
Residues n_residues53
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 dmax60.3
Rg (real space) rg_real15.01
Rg uncertainty (real space) rg_real_error0.53
I(0) (real space) i0_real1.2490e+06
I(0) uncertainty (real space) i0_real_error1.6250e+04
Rg (reciprocal space) rg_reciprocal14.96
I(0) (reciprocal space) i0_reciprocal1249000.0000
Solution quality estimate total_estimate0.6403
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary13.7
Skewness Skewness skewness1.026
Kurtosis Kurtosis kurtosis0.653
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha251300.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.103; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.028; Smooth: 0.982

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6ds6a_
Class classg — Small proteins
Fold Fold foldg.44 — RING/U-box
Superfamily Superfamily superfamilyg.44.1 — RING/U-box
Family Family familyg.44.1.6 — ZZ domain

CATH v4.4 (1 domains)

Domain ID domain_id6ds6A00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
Homologous superfamily homologous superfamily90 — Zinc finger, ZZ-type

8. Citations (1)

9. Files and Curves (10)