7zzu

Inhibitory Ligand binding to HDAC2

Method: X-RAY DIFFRACTION Dmax: 115.6 Å Quality: GOOD

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

Histone deacetylase 2

Homo sapiens

UniProt Q92769

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 1–488 Not recorded EDO 1,2-ETHANEDIOL × 5 PG4 TETRAETHYLENE GLYCOL × 1 PEG DI(HYDROXYETHYL)ETHER × 3 ZN ZINC ION × 1 CA CALCIUM ION × 1 NA SODIUM ION × 1 KKI 2-[4-[(2~{R},4~{S})-4-phenylpyrrolidin-2-yl]carbonylpiperazin-1-yl]pyridine-3-carbonitrile × 1 NHE 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;43% PEG 300 0.1M pH=8.8 CHES/NaOH Resolution 1.85 Å R-free 0.182
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–488 Not recorded EDO 1,2-ETHANEDIOL × 3 PG4 TETRAETHYLENE GLYCOL × 1 PEG DI(HYDROXYETHYL)ETHER × 2 ZN ZINC ION × 1 CA CALCIUM ION × 1 NA SODIUM ION × 1 KKI 2-[4-[(2~{R},4~{S})-4-phenylpyrrolidin-2-yl]carbonylpiperazin-1-yl]pyridine-3-carbonitrile × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;43% PEG 300 0.1M pH=8.8 CHES/NaOH Resolution 1.85 Å R-free 0.182
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1–488 Not recorded EDO 1,2-ETHANEDIOL × 1 PEG DI(HYDROXYETHYL)ETHER × 1 ZN ZINC ION × 1 CA CALCIUM ION × 1 NA SODIUM ION × 1 KKI 2-[4-[(2~{R},4~{S})-4-phenylpyrrolidin-2-yl]carbonylpiperazin-1-yl]pyridine-3-carbonitrile × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;43% PEG 300 0.1M pH=8.8 CHES/NaOH Resolution 1.85 Å R-free 0.182

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.

47 other PDB entries and 120 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HDAC2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–488; UniProt 1–488 Author chain B; PDBConstruct 1–488; UniProt 1–488 Author chain C; PDBConstruct 1–488; UniProt 1–488

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 7zzu

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7zzu
Deposition date deposition_date2022-05-26
Structure title titleInhibitory Ligand binding to HDAC2
Keywords keywordsprotein deacetylation, transcriptional repressor complex, chromatin binding, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.71
Radius of gyration Rg (electron density) rg_electron36.25
Forward intensity I(0) i0253263000.00
Molecular weight molecular_weight129600.0 kDa
Excluded volume excluded_volume162020 ų
Envelope volume envelope_volume199120 ų
Hydration-shell volume shell_volume45658 ų
Envelope diameter envelope_diameter119.9
Shell Rg shell_rg42.50
Envelope Rg envelope_rg36.08
Shape Rg shape_rg36.24
Total Rg total_rg36.65
Total atoms total_atoms9257
Residues n_residues1103
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 dmax115.6
Rg (real space) rg_real36.66
Rg uncertainty (real space) rg_real_error1.16
I(0) (real space) i0_real2.5330e+08
I(0) uncertainty (real space) i0_real_error4.5030e+06
Rg (reciprocal space) rg_reciprocal36.70
I(0) (reciprocal space) i0_reciprocal253300000.0000
Solution quality estimate total_estimate0.8984
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary35.0
Skewness Skewness skewness0.178
Kurtosis Kurtosis kurtosis-0.777
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha70490000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.935; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.965; Smooth: 0.904

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

8. Citations (1)

9. Files and Curves (10)