. "Reviewed: Zhang, Weizhen, 2009-08-29"^^ . "Authored: May, B, 2009-06-10"^^ . "Edited: May, B, 2009-06-10"^^ . "The N-terminal 23 amino acid residues are cleaved from preproghrelin by the signal peptidase complex. The products are proghrelin (94 amino acid residues) or des-acyl-Gln14 proghrelin (93 amino acid residues), depending on the variant of the mRNA that was translated."^^ . . . . . . . "Cleavage of the Signal Peptide of Preproghrelin"^^ . "3.4.21"^^ . . .