Stimulates feeding and grooming behavior, metabolic rate and locomotor activity and increases blood pressure. May have orexigenic activity. May promote aldosterone secretion by the adrenal gland. Ligand for the G-protein coupled receptor QRFPR/GPR103. Expressed in the brain with highest levels in the periventricular hypothalamic nucleus and lateral hypothalamic areas. Expressed at moderate levels in the adrenal gland, eye, heart, intestine, liver, lung, kidney, mesenteric lymph node, ovary, placenta, Peyer patches, skin, spleen, stomach, testis, thymus and uterus. Belongs to the RFamide neuropeptide family.