X-ray diffraction
1.9Å resolution

PR X-Ray structures in agonist conformations reveal two different mechanisms for partial agonism in 11beta-substituted steroids


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Progesterone receptor Chains: A, B
Molecule details ›
Chains: A, B
Length: 260 amino acids
Theoretical weight: 29.97 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P06401 (Residues: 678-933; Coverage: 27%)
Gene names: NR3C3, PGR
Sequence domains: Ligand-binding domain of nuclear hormone receptor
Structure domains: Retinoid X Receptor

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P21
Unit cell:
a: 57.662Å b: 64.374Å c: 70.468Å
α: 90° β: 96.33° γ: 90°
R R work R free
0.208 0.205 0.252
Expression system: Escherichia coli BL21(DE3)