PDBe 4dqm

X-ray diffraction
2.75Å resolution

Revealing a marine natural product as a novel agonist for retinoic acid receptors with a unique binding mode and antitumor activity


Function and Biology Details

Reaction catalysed:
Acetyl-CoA + [protein]-L-lysine = CoA + [protein]-N(6)-acetyl-L-lysine. 
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Retinoic acid receptor alpha Chains: A, C
Molecule details ›
Chains: A, C
Length: 234 amino acids
Theoretical weight: 26.49 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P10276 (Residues: 182-415; Coverage: 51%)
Gene names: NR1B1, RARA
Sequence domains: Ligand-binding domain of nuclear hormone receptor
Structure domains: Retinoid X Receptor
Nuclear receptor coactivator 1 Chains: B, D
Molecule details ›
Chains: B, D
Length: 10 amino acids
Theoretical weight: 1.17 KDa
Source organism: Homo sapiens
Expression system: Not provided
  • Canonical: Q15788 (Residues: 1432-1441; Coverage: 1%)
Gene names: BHLHE74, NCOA1, SRC1

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-F
Unit cell:
a: 54.12Å b: 104.46Å c: 113.48Å
α: 90° β: 90° γ: 90°
R R work R free
0.216 0.213 0.259
Expression systems:
  • Escherichia coli
  • Not provided