5m39

Crystal structure of BRD4 BROMODOMAIN 1 IN COMPLEX WITH LIGAND 1

Method: X-RAY DIFFRACTION Dmax: 73.9 Å Quality: GOOD

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 42–168 Not recorded 7EA 6-(3,4-dimethoxyphenyl)-3-methyl-[1,2,4]triazolo[4,3-b]pyridazine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;294 K;27% PEG3350 0.2M Disodium malonate 0.01 M HEPES Resolution 1.38 Å R-free 0.242
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 42–168 Not recorded 7EA 6-(3,4-dimethoxyphenyl)-3-methyl-[1,2,4]triazolo[4,3-b]pyridazine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;294 K;27% PEG3350 0.2M Disodium malonate 0.01 M HEPES Resolution 1.38 Å R-free 0.242

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 777 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BRD4_HUMAN
Isoform O60885-3
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–127; UniProt 42–168 Author chain B; PDBConstruct 1–127; UniProt 42–168

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 5m39

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5m39
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5m39
Deposition date deposition_date2016-10-14
Structure title titleCrystal structure of BRD4 BROMODOMAIN 1 IN COMPLEX WITH LIGAND 1
Keywords keywordsBROMODOMAIN, BRD4 BD1, EPIGENETIC, HISTONE READER, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.53
Radius of gyration Rg (electron density) rg_electron22.05
Forward intensity I(0) i014824400.00
Molecular weight molecular_weight30190.0 kDa
Excluded volume excluded_volume38283 ų
Envelope volume envelope_volume46694 ų
Hydration-shell volume shell_volume18521 ų
Envelope diameter envelope_diameter75.8
Shell Rg shell_rg27.59
Envelope Rg envelope_rg22.10
Shape Rg shape_rg22.04
Total Rg total_rg22.89
Total atoms total_atoms2128
Residues n_residues250
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 dmax73.9
Rg (real space) rg_real22.61
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real1.4820e+07
I(0) uncertainty (real space) i0_real_error2.4110e+05
Rg (reciprocal space) rg_reciprocal22.59
I(0) (reciprocal space) i0_reciprocal14820000.0000
Solution quality estimate total_estimate0.7927
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary20.1
Skewness Skewness skewness0.409
Kurtosis Kurtosis kurtosis-0.412
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6001000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.809; Stabil: 0.983; Sysdev: 1.000; Positv: 1.000; Valcen: 0.925; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5m39a_
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
Domain ID domain_idd5m39b_
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

CATH v4.4 (2 domains)

Domain ID domain_id5m39A01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id5m39B01
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)