PDBe 5nnc

X-ray diffraction
2.22Å resolution

Crystal Structure of the first bromodomain of human BRD4 in complex with a diacetylated histone 4 peptide (H3K9ac/K14ac)

Released:

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Bromodomain-containing protein 4 Chains: A, B
Molecule details ›
Chains: A, B
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
Histone H3.1 Chains: C, D
Molecule details ›
Chains: C, D
Length: 17 amino acids
Theoretical weight: 1.99 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P68431 (Residues: 5-21; Coverage: 13%)
Gene names: H3FA, H3FB, H3FC, H3FD, H3FF, H3FH, H3FI, H3FJ, H3FK, H3FL, HIST1H3A, HIST1H3B, HIST1H3C, HIST1H3D, HIST1H3E, HIST1H3F, HIST1H3G, HIST1H3H, HIST1H3I, HIST1H3J

Ligands and Environments

No bound ligands

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I24
Spacegroup: P21
Unit cell:
a: 42.495Å b: 51.947Å c: 61.72Å
α: 90° β: 92.31° γ: 90°
R-values:
R R work R free
0.188 0.184 0.264
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided