6g0s

X-ray diffraction
1.48Å resolution

Crystal Structure of the first bromodomain of human BRD4 in complex with an acetylated SIRT7 peptide (K272ac/K275ac)

Released:

Function and Biology Details

Reaction catalysed:
(1a) [protein]-N(6)-acetyl-L-lysine + NAD(+) = [protein]-N(6)-(1,1-(5-adenosylyl-alpha-D-ribose-1,2-di-O-yl)ethyl)-L-lysine + nicotinamide
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-130152 (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: 42-168; Coverage: 9%)
Gene names: BRD4, HUNK1
Sequence domains: Bromodomain
Structure domains: Bromodomain-like
NAD-dependent protein deacetylase sirtuin-7 Chain: D
Molecule details ›
Chain: D
Length: 11 amino acids
Theoretical weight: 1.41 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q9NRC8 (Residues: 269-279; Coverage: 3%)
Gene names: SIR2L7, SIRT7

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I03
Spacegroup: P212121
Unit cell:
a: 42.393Å b: 59.376Å c: 106.017Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.179 0.177 0.21
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided