PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22855967-0 2004 (111)In/(68)Ga-Labeled DOTA conjugated cyclo[gamma-d-Glu-Ala-Tyr-d-Lys]-Trp-Nle-Asp-Phe-NH2 (cyclo-MG2), a minigastrin analog The three subtypes of the cholecystokinin (CCK) receptors (CCKR) belong to the G-protein coupled receptor family and are classified (CCK1R, CCK2R and CCK2i4svR) on the basis of their affinities for the CCK and the gastrin peptides, differential distribution in the tissues and molecular structure (1). Gallium 12-14 gastrin Homo sapiens 111-118