5u5s

Solution structures of Brd2 second bromodomain in complex with stat3 peptide

Method: SOLUTION NMR Dmax: 53.5 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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 344–455 Fragment:UNP residues 344-455 Stat3 peptide × 1 SOLUTION NMR NMR measurement conditions:pH 7.4;298 K;Ionic strength (raw mmCIF value) null;Pressure 1 NMR sample composition:10 mM sodium phosphate, 100 mM sodium chloride, 2 mM EDTA, 2 mM [U-2H] DTT, 100% D2O | 100% D2O NMR sample composition:10 mM sodium phosphate, 100 mM sodium chloride, 2 mM EDTA, 2 mM [U-2H] DTT, 90% H2O/10% D2O | 90% H2O/10% 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.

164 other PDB entries and 264 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 1–112; UniProt 344–455

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 5u5s

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5u5s
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5u5s
Deposition date deposition_date2016-12-07
Structure title titleSolution structures of Brd2 second bromodomain in complex with stat3 peptide
Keywords keywordsBrd2, Brd4, bromodomain, stat3, th17, p300, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier15.40
Radius of gyration Rg (electron density) rg_electron15.11
Forward intensity I(0) i01176040000.00
Molecular weight molecular_weight293520.0 kDa
Excluded volume excluded_volume368060 ų
Envelope volume envelope_volume31225 ų
Hydration-shell volume shell_volume15466 ų
Envelope diameter envelope_diameter61.6
Shell Rg shell_rg23.00
Envelope Rg envelope_rg17.97
Shape Rg shape_rg15.09
Total Rg total_rg15.30
Total atoms total_atoms41280
Residues n_residues2460
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 dmax53.5
Rg (real space) rg_real15.42
Rg uncertainty (real space) rg_real_error0.40
I(0) (real space) i0_real1.1760e+09
I(0) uncertainty (real space) i0_real_error1.3470e+07
Rg (reciprocal space) rg_reciprocal15.42
I(0) (reciprocal space) i0_reciprocal1176000000.0000
Solution quality estimate total_estimate0.7673
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary16.9
Skewness Skewness skewness0.398
Kurtosis Kurtosis kurtosis-0.232
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha535600.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.684; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.919; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id5u5sA00
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)