Intrinsic photoaffinity labeling probes for cholecystokinin (CCK)-gastrin family receptors. D-Tyr-Gly-[Nle28,31,pNO2-Phe33)CCK-26-33).


Attempts to biochemically characterize the pancreatic cholecystokinin (CCK) receptor by affinity labeling have utilized either 125I-Bolton-Hunter-CCK-33 ("long" probes) or decapeptide analogues of the carboxyl terminus of CCK ("short" probes), and covalent attachment via the amino-terminal regions of these probes. The long probe has identified a protein of… (More)

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