6sa3

Crystal Structure of BRD4(1) bound to inhibitor BUX4 (13)

Method: X-RAY DIFFRACTION Dmax: 52.1 Å Quality: REASONABLE

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

Bromodomain-containing protein 4

Homo sapiens

UniProt O60885

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 44–168 Not recorded L2N ~{N}-[2-methoxy-5-(4-methylpiperazin-1-yl)sulfonyl-phenyl]-3-methyl-4-oxidanylidene-5,6,7,8-tetrahydro-2~{H}-cyclohepta[c]pyrrole-1-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;293 K;NaCl, MMW PEG Resolution 1.80 Å R-free 0.231

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.

601 other PDB entries and 778 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BRD4_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–127; UniProt 44–168

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 6sa3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6sa3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6sa3
Deposition date deposition_date2019-07-16
Structure title titleCrystal Structure of BRD4(1) bound to inhibitor BUX4 (13)
Keywords keywords;BRD4, BRD4(1), INHIBITOR, BROMODOMAIN, EPIGENETIC READER PROTEIN, ACETYLATED, LYSINE, HISTONE TAIL, PROTEIN BINDING-INHIBITOR COMPLEX, BUX4, fragment, transcription ;; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.19
Radius of gyration Rg (electron density) rg_electron14.11
Forward intensity I(0) i03211400.00
Molecular weight molecular_weight13361.0 kDa
Excluded volume excluded_volume17036 ų
Envelope volume envelope_volume18708 ų
Hydration-shell volume shell_volume11514 ų
Envelope diameter envelope_diameter50.8
Shell Rg shell_rg19.50
Envelope Rg envelope_rg14.51
Shape Rg shape_rg14.12
Total Rg total_rg15.28
Total atoms total_atoms942
Residues n_residues109
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 dmax52.1
Rg (real space) rg_real15.15
Rg uncertainty (real space) rg_real_error0.31
I(0) (real space) i0_real3.2110e+06
I(0) uncertainty (real space) i0_real_error3.7600e+04
Rg (reciprocal space) rg_reciprocal15.16
I(0) (reciprocal space) i0_reciprocal3211000.0000
Solution quality estimate total_estimate0.7129
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary17.8
Skewness Skewness skewness0.310
Kurtosis Kurtosis kurtosis-0.201
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha711000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.727; Stabil: 1.000; Sysdev: 0.368; Positv: 1.000; Valcen: 0.989; Smooth: 0.991

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6sa3a_
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.2 — Bromodomain
Family Family familya.29.2.0 — automated matches

8. Citations (1)

9. Files and Curves (10)