Ghrelin octanoylation mediated by an orphan lipid transferase - Gutierrez, J A; Solenberg, P J; Perkins, D R; Willency, J A; Knierman, M D; Jin, Z; Witcher, D R; Luo, S; Onyia, J E; Hale, J E (Proc Natl Acad Sci USA, 2008)