. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "ptgds_human"^^ . "Glutathione-independent PGD synthase"^^ . "PTGDS"^^ . "Lipocalin-type prostaglandin-D synthase"^^ . "Prostaglandin-D2 synthase"^^ . "Cerebrin-28"^^ . "Beta-trace protein"^^ . "PDS"^^ . . . "Prostaglandin-H2 D-isomerase"^^ .