Converts arachidonate to prostaglandin H2 (PGH2), a committed step in prostanoid synthesis. Involved in the constitutive production of prostanoids in particular in the stomach and platelets. In gastric epithelial cells, it is a key step in the generation of prostaglandins, such as prostaglandin E2 (PGE2), which plays an important role in cytoprotection. In platelets, it is involved in the generation of thromboxane A2 (TXA2), which promotes platelet activation and aggregation, vasoconstriction and proliferation of vascular smooth muscle cells (By similarity).

Belongs to the prostaglandin G/H synthase family.

606 amino acids

MSRSSPSLRLPVLLLLLLLLLLPPPPPVLPADPGAPAPVNPCCYFPCQHQGVCVRVALDRYQCDCTRTGYSGPNCTVPDLWTWLRSSLRPSPTFVHYLLTHVRWFWEFVNATFIRDTLMRLVLTVRSNLIPSPPTYNLDYDYISWEAFSNVSYYTRVLPSVPKDCPTPMGTKGKKQLPDAQVLAHRFLLRRTFIPDPQGTNLMFAFFAQHFTHQFFKTSGKMGPGFTKALGHGVDLGHIYGDSLERQYHLRLFKDGKLKYQVLDGEVYPPSVEEAPVLMHYPRGVPPRSQMAVGQEVFGLLPGLMLYATLWLREHNRVCDLLKAEHPTWDDEQLFQTTRLILIGETIKIVIEEYVQQLSGYFLQLKFDPEMLFSVQFQYRNRIAMEFNHLYHWHPLMPDSFQVGSQEYSYEQFLFNTSMLVDYGVEALVDAFSRQSAGRIGGGRNIDHHVLHVAVEVIKESREMRLQPFNEYRKRFGLKPYASFQELTGETEMAAELEELYGDIDALEFYPGLLLEKCQPNSIFGESMIEIGAPFSLKGLLGNPICSPEYWKPSTFGGEVGSNLIKTATLKKLVCLNTKTCPYVSFRVPRSSGDDGPAAERRSTEL

69.1 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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