1opy

X-ray diffraction
1.9Å resolution

Function and Biology Details

Reaction catalysed:
A 3-oxo-Delta(5)-steroid = a 3-oxo-Delta(4)-steroid
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-139594 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Steroid Delta-isomerase Chain: A
Molecule details ›
Chain: A
Length: 131 amino acids
Theoretical weight: 14.55 KDa
Source organism: Pseudomonas putida
Expression system: Escherichia coli
UniProt:
  • Canonical: P07445 (Residues: 1-131; Coverage: 100%)
Gene name: ksi
Sequence domains: SnoaL-like domain
Structure domains: Nuclear Transport Factor 2; Chain: A,

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: C2221
Unit cell:
a: 36.4Å b: 96.12Å c: 74.4Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.199 0.199 0.273
Expression system: Escherichia coli