PGDS GI:7657457 prostaglandin-D synthase 1 mpnykltyfn mrgraeiiry ifayldiqye dhrieqadwp eikstlpfgk 50 51 ipilevdglt lhqslaiary ltkntdlagn temeqchvda ivdtlddfms 100 101 cfpwaekkqd vkeqmfnell tynaphlmqd ldtylggrew lignsvtwad 150 151 fyweicsttl lvfkpdlldn hprlvtlrkk vqaipavanw ikrrpqtkl