PTGDS (Prostaglandin D2 synthase 21kD (brain), L-PGDS, LPGDS, PDS, PGD2, PGDS, PGDS2, PGD2 synthase, Beta-trace protein, Cerebrin-28, Glutathione-independent PGD synthase, Glutathione-independent PGD synthetase, Lipocalin-type prostaglandin D synthase, l)