The 28-amino acid n-octanoylated (at ser3) natural peptidyl ligand for the growth hormone secretagogue receptor 1a (GHSR1a). Ghrelin is secreted predominantly in the stomach and stimulates growth hormone release from the pituitary gland.
Definition
ChEBI: A 28-membered appetite-stimulating polypeptide consisting of Gly, Ser, Ser, Phe, Leu, Ser, Pro, Glu, His, Gln, Arg, Val, Gln, Gln, Arg, Lys, Glu, Ser, Lys, Lys, Pro, Pro, Ala, Lys, Leu, Gln, Pro and Arg residues joined in sequence.
