6i80

Crystal Structure of the second bromodomain of BRD2 in complex with RT53

Method: X-RAY DIFFRACTION Dmax: 63.5 Å Quality: GOOD

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

Bromodomain-containing protein 2

Homo sapiens

UniProt P25440

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 348–455 Not recorded H7B 2-[(4~{S})-6-(4-chlorophenyl)-8-methoxy-1-methyl-4~{H}-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-1-[4-(dimethylamino)piperidin-1-yl]ethanone × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;277 K;30% PEG1000 0.1M MMT pH 7.0 Resolution 1.14 Å R-free 0.143
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 348–455 Not recorded H7B 2-[(4~{S})-6-(4-chlorophenyl)-8-methoxy-1-methyl-4~{H}-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-1-[4-(dimethylamino)piperidin-1-yl]ethanone × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;277 K;30% PEG1000 0.1M MMT pH 7.0 Resolution 1.14 Å R-free 0.143

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.

164 other PDB entries and 263 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BRD2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–110; UniProt 348–455 Author chain B; PDBConstruct 3–110; UniProt 348–455

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 6i80

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6i80
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6i80
Deposition date deposition_date2018-11-19
Structure title titleCrystal Structure of the second bromodomain of BRD2 in complex with RT53
Keywords keywordsBET, Bromodomain, RT53, inhibitor, Structural Genomics, Structural Genomics Consortium, SGC, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.13
Radius of gyration Rg (electron density) rg_electron18.00
Forward intensity I(0) i012640300.00
Molecular weight molecular_weight26606.0 kDa
Excluded volume excluded_volume33288 ų
Envelope volume envelope_volume39185 ų
Hydration-shell volume shell_volume18107 ų
Envelope diameter envelope_diameter64.3
Shell Rg shell_rg24.30
Envelope Rg envelope_rg18.27
Shape Rg shape_rg17.99
Total Rg total_rg19.02
Total atoms total_atoms1873
Residues n_residues220
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 dmax63.5
Rg (real space) rg_real19.02
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real1.2640e+07
I(0) uncertainty (real space) i0_real_error1.5800e+05
Rg (reciprocal space) rg_reciprocal19.04
I(0) (reciprocal space) i0_reciprocal12640000.0000
Solution quality estimate total_estimate0.8813
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.8
Skewness Skewness skewness0.169
Kurtosis Kurtosis kurtosis-0.364
Angular range angular_range— – 0.4150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3008000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.819; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd6i80a1
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_idd6i80a2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd6i80b1
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_idd6i80b2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id6i80A00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like
Domain ID domain_id6i80B00
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)