2mjv

Solution structures of second bromodomain of Brd4 with di-acetylated Twist peptide

Method: SOLUTION NMR Dmax: 65.9 Å Quality: REASONABLE

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

Twist-related protein 1

OrganismNot specified

UniProt Q15672

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 68–79 Fragment:peptide (UNP residues 68-79) Non-standard monomer:Yes (specific site not provided by mmCIF) Bromodomain-containing protein 4 × 1 (O60885) SOLUTION NMR NMR measurement conditions:pH 6.5;298 K;Pressure ambient NMR sample composition:5 mM [U-100% 2H] DTT, 100 mM sodium phosphate, 100% D2O | 100% D2O NMR sample composition:5 mM [U-100% 2H] DTT, 100 mM sodium phosphate, 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.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TWST1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–12; UniProt 68–79

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 333–460 Fragment:bromodomain 2 (UNP residues 333-460) Twist-related protein 1 × 1 (Q15672) SOLUTION NMR NMR measurement conditions:pH 6.5;298 K;Pressure ambient NMR sample composition:5 mM [U-100% 2H] DTT, 100 mM sodium phosphate, 100% D2O | 100% D2O NMR sample composition:5 mM [U-100% 2H] DTT, 100 mM sodium phosphate, 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.

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 2
Chains and sequence ranges Author chain B; PDBConstruct 1–128; UniProt 333–460

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 2mjv

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2mjv
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2mjv
Deposition date deposition_date2014-01-16
Structure title titleSolution structures of second bromodomain of Brd4 with di-acetylated Twist peptide
Keywords keywordstumorigenesis, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier16.61
Radius of gyration Rg (electron density) rg_electron16.31
Forward intensity I(0) i01486930000.00
Molecular weight molecular_weight322370.0 kDa
Excluded volume excluded_volume401230 ų
Envelope volume envelope_volume47125 ų
Hydration-shell volume shell_volume18510 ų
Envelope diameter envelope_diameter72.0
Shell Rg shell_rg28.51
Envelope Rg envelope_rg23.88
Shape Rg shape_rg16.32
Total Rg total_rg16.48
Total atoms total_atoms44860
Residues n_residues2760
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 dmax65.9
Rg (real space) rg_real16.82
Rg uncertainty (real space) rg_real_error0.61
I(0) (real space) i0_real1.4870e+09
I(0) uncertainty (real space) i0_real_error1.7110e+07
Rg (reciprocal space) rg_reciprocal16.79
I(0) (reciprocal space) i0_reciprocal1487000000.0000
Solution quality estimate total_estimate0.7256
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.2
Skewness Skewness skewness0.635
Kurtosis Kurtosis kurtosis0.067
Angular range angular_range— – 0.4800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1154000.0000
Real-space data points n_real_points78
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.359; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.357; Smooth: 0.994

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_id2mjvB00
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)