Aryl hydrocarbon receptor (AhR) ligand and activator of the AhR signal transduction pathway. Also shown to activate nitric oxide synthase (NOS) in rat brain synaptosomal membrane fractions.
The Journal of biological chemistry, 266(19), 12348-12355 (1991-07-05)
Prostaglandin H synthase oxidizes arachidonic acid to prostaglandin G2 (PGG2) via its cyclooxygenase activity and reduces PGG2 to prostaglandin H2 by its peroxidase activity. The purpose of this study was to determine if endogenously generated PGG2 is the preferred substrate
The Journal of biological chemistry, 272(14), 8885-8894 (1997-04-04)
Prostaglandin H synthase (PGHS) is a heme protein that catalyzes both the cyclooxygenase and peroxidase reactions needed to produce prostaglandins G2 and H2 from arachidonic acid. Replacement of the heme group by mangano protoporphyrin IX largely preserves the cyclooxygenase activity
PGG2, 11R-HPETE and 15R/S-HPETE are formed from different conformers of arachidonic acid in the prostaglandin endoperoxide H synthase-1 cyclooxygenase site.
Elizabeth D Thuresson et al.
Advances in experimental medicine and biology, 507, 67-72 (2003-04-01)
The Journal of biological chemistry, 271(4), 2048-2056 (1996-01-26)
The reactions of native prostaglandin endoperoxide synthase with structurally different hydroperoxides have been investigated by using kinetic spectrophotometric scan and conventional and sequential mixing stopped-flow experiments. The second order rate constants for compound I formation are (5.9 +/- 0.1) x
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