› 1afs

X-ray diffraction
2.5Å resolution

RECOMBINANT RAT LIVER 3-ALPHA-HYDROXYSTEROID DEHYDROGENASE (3-ALPHA-HSD) COMPLEXED WITH NADP AND TESTOSTERONE

Released:
DOI: 10.2210/pdb1afs/pdb
PDB entry 1afs coloured by chain, front view.
PDB entry 1afs coloured by chain, side view.
PDB entry 1afs coloured by chain, top view.
Source organism: Rattus norvegicus
Primary publication:
Steroid recognition and regulation of hormone action: crystal structure of testosterone and NADP+ bound to 3 alpha-hydroxysteroid/dihydrodiol dehydrogenase.
Bennett MJ, Albert RH, Jez JM, Ma H, Penning TM, Lewis M
Structure 5 799-812 (1997)
PMID: 9261071

Function and Biology Details

Reaction catalysed: 
A 3-alpha-hydroxysteroid + NAD(P)(+) = a 3-oxosteroid + NAD(P)H
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-149967 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
3-alpha-hydroxysteroid dehydrogenase Chains: A, B
Molecule details ›
Chains: A, B
Length: 323 amino acids
Theoretical weight: 37.19 KDa
Source organism: Rattus norvegicus
Expression system: unidentified
UniProt:
  • Canonical: P23457 (Residues: 1-322; Coverage: 100%)
Gene name: Akr1c9
Sequence domains: Aldo/keto reductase family
Structure domains: NADP-dependent oxidoreductase domain

Ligands and Environments


Cofactor: Ligand NAP 2 x NAP
1 bound ligand:
Ligand TES 2 x TES
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21212
Unit cell:
a: 96.4Å b: 157.1Å c: 49Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.188 0.188 0.242
Expression system: unidentified

Quick links

Citations

13 review citations

The aldo-keto reductase superfamily and its role in drug metabolism and detoxification.
Barski et al. (2008)
12 more

13 mentions without citation

5β-Reduced steroids and human Δ(4)-3-ketosteroid 5β-reductase (AKR1D1).
Chen et al. (2014)
12 more