PDBe 2wwp

X-ray diffraction
2Å resolution

Crystal structure of the human lipocalin-type prostaglandin D synthase


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 Chains: A, B
Molecule details ›
Chains: A, B
Length: 176 amino acids
Theoretical weight: 19.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • 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: DIAMOND BEAMLINE I03
Spacegroup: P21
Unit cell:
a: 36.4Å b: 56.59Å c: 73.46Å
α: 90° β: 90.15° γ: 90°
R R work R free
0.21 0.208 0.246
Expression system: Escherichia coli BL21(DE3)