X-ray diffraction
1.45Å resolution

Apo form crystal structure of human Lipocalin PGDS .

Source organism: Homo sapiens
Entry authors: Saif M, Pervushin K

Function and Biology Details

Reaction catalysed:
(5Z,13E,15S)-9-alpha,11-alpha-epidioxy-15-hydroxyprosta-5,13-dienoate = (5Z,13E,15S)-9-alpha,15-dihydroxy-11-oxoprosta-5,13-dienoate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Prostaglandin-H2 D-isomerase Chain: A
Molecule details ›
Chain: A
Length: 176 amino acids
Theoretical weight: 19.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
  • Canonical: P41222 (Residues: 23-190; Coverage: 100%)
Gene names: PDS, PTGDS
Sequence domains: Lipocalin / cytosolic fatty-acid binding protein family
Structure domains: Lipocalin

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: P212121
Unit cell:
a: 36.27Å b: 56.5Å c: 72.529Å
α: 90° β: 90° γ: 90°
R R work R free
0.178 0.176 0.211
Expression system: Escherichia coli BL21