in the mammalian pancreas , prosomatostatin is cleaved at the site of the single arginyl residue ( corresponding to position 6 in hagfish somatostatin-34 ) and at the arginine-lysine site ( corresponding to positions 19 and 20 in the hagfish peptide ) to generate somatostatin-14 and somatostatin-28 ( 1-12 ) -peptide .
C0037659
somatostatin-14
C0074854
somatostatin-28