PDBe 1k74

X-ray diffraction
2.3Å resolution

The 2.3 Angstrom resolution crystal structure of the heterodimer of the human PPARgamma and RXRalpha ligand binding domains respectively bound with GW409544 and 9-cis retinoic acid and co-activator peptides.

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Nuclear receptor coactivator 1 Chains: B, E
Molecule details ›
Chains: B, E
Length: 25 amino acids
Theoretical weight: 2.81 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q15788 (Residues: 676-700; Coverage: 2%)
Gene names: BHLHE74, NCOA1, SRC1
Retinoic acid receptor RXR-alpha Chain: A
Molecule details ›
Chain: A
Length: 238 amino acids
Theoretical weight: 26.67 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P19793 (Residues: 225-462; Coverage: 52%)
Gene names: NR2B1, RXRA
Sequence domains: Ligand-binding domain of nuclear hormone receptor
Structure domains: Retinoid X Receptor
Peroxisome proliferator-activated receptor gamma Chain: D
Molecule details ›
Chain: D
Length: 283 amino acids
Theoretical weight: 32.43 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P37231 (Residues: 234-505; Coverage: 54%)
Gene names: NR1C3, PPARG
Sequence domains: Ligand-binding domain of nuclear hormone receptor
Structure domains: Retinoid X Receptor

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-ID
Spacegroup: P212121
Unit cell:
a: 46.62Å b: 55.1Å c: 214.86Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.238 0.238 0.279
Expression systems:
  • Not provided
  • Escherichia coli