2pbj

X-ray diffraction
2.8Å resolution

GSH-heme bound microsomal prostaglandin E synthase

Released:

Function and Biology Details

Reaction catalysed:
(5Z,13E)-(15S)-9-alpha,11-alpha-epidioxy-15-hydroxyprosta-5,13-dienoate = (5Z,13E)-(15S)-11-alpha,15-dihydroxy-9-oxoprosta-5,13-dienoate
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-192398 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Prostaglandin E synthase 2 truncated form Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 290 amino acids
Theoretical weight: 33.15 KDa
Source organism: Macaca fascicularis
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9N0A4 (Residues: 88-377; Coverage: 77%)
Gene names: PGES2, PTGES2, QccE-11222
Sequence domains:
Structure domains:

Ligands and Environments


Cofactor: Ligand HEM 4 x HEM

Cofactor: Ligand GSH 4 x GSH
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: C2
Unit cell:
a: 127Å b: 122.49Å c: 110.97Å
α: 90° β: 111° γ: 90°
R-values:
R R work R free
0.242 0.242 0.269
Expression system: Escherichia coli