5nnf

X-ray diffraction
1.15Å resolution

Crystal Structure of the first bromodomain of human BRD4 in complex with an acetylated BAZ1B peptide (K221ac)

Released:

Function and Biology Details

Reaction catalysed:
ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-130143 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Bromodomain-containing protein 4 Chain: A
Molecule details ›
Chain: A
Length: 127 amino acids
Theoretical weight: 15.1 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O60885 (Residues: 44-168; Coverage: 9%)
Gene names: BRD4, HUNK1
Sequence domains: Bromodomain
Structure domains: Bromodomain-like
Tyrosine-protein kinase BAZ1B Chain: B
Molecule details ›
Chain: B
Length: 10 amino acids
Theoretical weight: 1.3 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q9UIG0 (Residues: 217-226; Coverage: 1%)
Gene names: BAZ1B, WBSC10, WBSCR10, WBSCR9, WSTF

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I03
Spacegroup: P212121
Unit cell:
a: 37.439Å b: 43.915Å c: 79.69Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.12 0.119 0.144
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided