3748857 mPGES-2 microsomal prostaglandin E synthase-2 22 3748855 mPGES-2 microsomal PGES-2 3 3748856 mPGES-2 membrane-associated prostaglandin E2 synthase-2 2 3748859 mPGES-2 major PTGESs, i.e., PTGES1, PTGES2 1 3748858 mPGES-2 membrane-associated PGE(2) synthase-2 1