>sp|Q29562|PTGDS_URSAR Prostaglandin-H2 D-isomerase OS=Ursus arctos GN=PTGDS MAALHTLWMGLVLLGVLGVLQTQAQVQVSLQPNFQQDKFLGRWFTSGLASNSSWFREKKK VLSMCVSVVAPSADGGLNLTSTFLRKEQCETRTLLLRPAGTPGCYSYTSPHWGSTHDVWV AMTDYDEYALLYTTGTKGLGQDFHMATLYSRTQTPRAEIKEKFTTFAKTQGFTEDAIVFL PQTDKCMEEHK