Prostaglandin E synthase 2

UniProtKB accession:  Q9N0A4

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UniProtKB description:  Isomerase that catalyzes the conversion of PGH2 into the more stable prostaglandin E2 (PGE2) (in vitro) (PubMed:11866447, PubMed:23426368). The biological function and the GSH-dependent property of PTGES2 is still under debate (PubMed:23426368). In vivo, PTGES2 could form a complex with GSH and heme and would not participate in PGE2 synthesis but would catalyze the degradation of prostaglandin E2 H2 (PGH2) to 12(S)-hydroxy-5(Z),8(E),10(E)-heptadecatrienoic acid (HHT) and malondialdehyde (MDA) (PubMed:23426368).