we describe here the properties of tert-butyloxycarbonyl-trp-leu-asp-phe-nhnh2 ( a-57696 ) , a c-terminal hydrazide analogue of tert-butyloxycarbonyl-cck4 ( boc-trp-met-asp-phe-nh2 ) , at four cholecystokinin ( cck ) receptor-bearing tissues , the guinea pig pancreas and gall bladder ( type a ) , guinea pig cortex ( type b ) , and nci-h345 cells , a human small cell lung cancer cell line that expresses cck-b/gastrin receptors .
C0034791
cholecystokinin
C0248266
cck-b