>tr|A0A3Q7Q9K1|A0A3Q7Q9K1_CALUR Prostaglandin E synthase 3 OS=Callorhinus ursinus GN=PTGES3 MQPASAKWYDRRDYVFIEFCVEDSKDVNVNFEKSKLTFSCLGGSDNFKHLNEIDLFHCID PNDSKHKRTDRSILCCLRKGESGQSWPRLTKERAKLNWLSVDFNNWKDWEDDSDEDMSNF DRFSEMMNNMGGDEDVDLPEVDGADDDSQDSDDEKMPDLE