› 1ot7

X-ray diffraction
2.9Å resolution

Structural Basis for 3-deoxy-CDCA Binding and Activation of FXR

Released:
DOI: 10.2210/pdb1ot7/pdb
PDB entry 1ot7 coloured by chain, front view.
PDB entry 1ot7 coloured by chain, side view.
PDB entry 1ot7 coloured by chain, top view.
Source organisms:
Primary publication:
Structural basis for bile acid binding and activation of the nuclear receptor FXR.
Mi LZ, Devarakonda S, Harp JM, Han Q, Pellicciari R, Willson TM, Khorasanizadeh S, Rastinejad F
Mol Cell 11 1093-100 (2003)
PMID: 12718893

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assemblies composition:
hetero dimer
hetero trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-162359 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Bile acid receptor Chains: A, B
Molecule details ›
Chains: A, B
Length: 229 amino acids
Theoretical weight: 26.75 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q62735 (Residues: 240-468; Coverage: 49%)
Gene names: Bar, Fxr, Nr1h4, Rip14
Sequence domains: Ligand-binding domain of nuclear hormone receptor
Structure domains: Retinoid X Receptor
dodecamer peptide fragment of RPGR-interacting protein 1 Chains: C, D, E
Molecule details ›
Chains: C, D, E
Length: 12 amino acids
Theoretical weight: 1.46 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

2 bound ligands:
Ligand CHC 1 x CHC
Ligand IU5 1 x IU5
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: P21212
Unit cell:
a: 99.536Å b: 107.129Å c: 69.203Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.236 0.233 0.279
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided

Quick links

Citations

42 review citations

Role of bile acids and bile acid receptors in metabolic regulation.
Lefebvre et al. (2009)
41 more

11 mentions without citation

The nuclear receptor superfamily: A structural perspective.
Weikum et al. (2018)
10 more