7aqt

NMR2 structure of BRD4-BD2 in complex with iBET-762

Method: SOLUTION NMR Dmax: 46.5 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 351–459 Fragment:BRD4-BD2 EAM 2-[(4S)-6-(4-chlorophenyl)-8-methoxy-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-N-ethylacetamide × 1 SOLUTION NMR NMR measurement conditions:pH 6.7;298 K;Ionic strength (raw mmCIF value) 150;Pressure 1 NMR sample composition:350 uM U-[12C,2H],U-15N,[13C,1H]-Ile-d1, [13C,1H]-Leu-d1/2, [13C,1H]-Val-g1/2 ILV-BRD4-BD2, 50 mM Na2HPO4, 500 uM [U-2H] TCEP, 420 uM iBET-762, 100 % [U-2H] D2O, 100% D2O | 100% D2O Resolution not provided

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 1–109; UniProt 351–459

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 7aqt

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7aqt
Deposition date deposition_date2020-10-23
Structure title titleNMR2 structure of BRD4-BD2 in complex with iBET-762
Keywords keywordsBRD4, BD2, bromodomain, iBET-762, NMR2, ONCOPROTEIN; ONCOPROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier14.55
Radius of gyration Rg (electron density) rg_electron14.22
Forward intensity I(0) i0241456000.00
Molecular weight molecular_weight131360.0 kDa
Excluded volume excluded_volume164260 ų
Envelope volume envelope_volume21555 ų
Hydration-shell volume shell_volume12564 ų
Envelope diameter envelope_diameter50.3
Shell Rg shell_rg20.28
Envelope Rg envelope_rg15.16
Shape Rg shape_rg14.19
Total Rg total_rg14.47
Total atoms total_atoms18110
Residues n_residues1090
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 dmax46.5
Rg (real space) rg_real14.54
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real2.4150e+08
I(0) uncertainty (real space) i0_real_error3.0140e+06
Rg (reciprocal space) rg_reciprocal14.54
I(0) (reciprocal space) i0_reciprocal241500000.0000
Solution quality estimate total_estimate0.8887
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.5
Skewness Skewness skewness0.309
Kurtosis Kurtosis kurtosis-0.283
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha354500.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.856; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.982

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)