4tt4

Crystal structure of ATAD2A bromodomain complexed with H3(1-21)K14Ac peptide

Method: X-RAY DIFFRACTION Dmax: 92.7 Å Quality: REASONABLE

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

ATPase family AAA domain-containing protein 2

Homo sapiens

UniProt Q6PL18

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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 981–1108 Chain B; UniProt 981–1108 Fragment:bromodomain (UNP residues 981-1108) Histone H3(1-21)K4Ac × 1 SO4 SULFATE ION × 4 CL CHLORIDE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;278 K;2.0M Ammonium sulfate, 100mM Tris pH8.5. Resolution 2.70 Å R-free 0.240

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.

116 other PDB entries and 124 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ATAD2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–130; UniProt 981–1108 Author chain B; PDBConstruct 3–130; UniProt 981–1108

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 4tt4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4tt4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4tt4
Deposition date deposition_date2014-06-19
Structure title titleCrystal structure of ATAD2A bromodomain complexed with H3(1-21)K14Ac peptide
Keywords keywordsbromodomain-acetylated histone complex, GENE REGULATION; GENE REGULATION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.89
Radius of gyration Rg (electron density) rg_electron26.65
Forward intensity I(0) i018643700.00
Molecular weight molecular_weight31775.0 kDa
Excluded volume excluded_volume39261 ų
Envelope volume envelope_volume51151 ų
Hydration-shell volume shell_volume18050 ų
Envelope diameter envelope_diameter94.4
Shell Rg shell_rg30.48
Envelope Rg envelope_rg27.00
Shape Rg shape_rg26.63
Total Rg total_rg27.15
Total atoms total_atoms2223
Residues n_residues264
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 dmax92.7
Rg (real space) rg_real27.29
Rg uncertainty (real space) rg_real_error1.06
I(0) (real space) i0_real1.8640e+07
I(0) uncertainty (real space) i0_real_error3.3700e+05
Rg (reciprocal space) rg_reciprocal27.17
I(0) (reciprocal space) i0_reciprocal18640000.0000
Solution quality estimate total_estimate0.5629
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.4
Skewness Skewness skewness0.577
Kurtosis Kurtosis kurtosis-0.387
Angular range angular_range— – 0.2950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5973000.0000
Real-space data points n_real_points60
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.585; Stabil: 1.000; Sysdev: 0.199; Positv: 1.000; Valcen: 0.307; Smooth: 0.656

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id4tt4A00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id4tt4B00
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)