NCIt definition : Orexin (131 aa, 13 kDa) is encoded by the human HCRT gene. This protein is involved
in neuropeptide-dependent signaling and feeding behavior.;
NCIt note : Orexin is proteolytically processed to form 2 active neuropeptides orexin-A (hypocretin-1,
Hcrt1) and orexin-B (hypocretin-2, Hcrt2). (UniProt);