FKSG89, ghrelin o transferas, Ghrelin O-acyltransferase, GOAT, MBOA4_HUMAN, Mboat4, Membrane-bound O-acyltransferase domain-containing protein 4, O-acyltransferase membrane bound domain containing 4, O-acyltransferase domain-containing protein 4, OACT4.
Mediates the octanoylation of ghrelin at Ser-3. Can use a variety of fatty acids as substrates including octanoic acid, decanoic acid and tetradecanoic acid.