PDBe 1nrl

X-ray diffraction
2Å resolution

Crystal Structure of the human PXR-LBD in complex with an SRC-1 coactivator peptide and SR12813

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero tetramer
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Nuclear receptor subfamily 1 group I member 2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 316 amino acids
Theoretical weight: 36.28 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O75469 (Residues: 130-434; Coverage: 70%)
Gene names: NR1I2, PXR
Sequence domains: Ligand-binding domain of nuclear hormone receptor
Structure domains: Retinoid X Receptor
Nuclear receptor coactivator 1 Chains: C, D
Molecule details ›
Chains: C, D
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

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P212121
Unit cell:
a: 85.097Å b: 89.478Å c: 106.665Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.218 0.216 0.24
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided