CCK 8:
Asp-Tyr*-Met-Gly-Trp-Met-Asp-Phe-NH2
Gastrin:
Pro-Trp-Leu-Glu-Glu-Glu-Glu-Glu-Ala-Tyr-Gly-Trp-Met-Asp-Phe-NH2
Caerulein:
pGlu-Gln-Asp-Tyr*-Thr-Gly-Trp-Met-Asp-Phe-NH2
*indicates a sulfated tyrosine residue.
published 2000