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Combining with gastrin to initiate a change in cell activity. Interacting selectively and non-covalently and stoichiometrically with neuropeptides, peptides with direct synaptic effects (peptide neurotransmitters) or indirect modulatory effects on the nervous system (peptide neuromodulators). Combining with a neurotransmitter to initiate a change in cell activity. Combining with an extracellular or intracellular peptide to initiate a G-protein mediated change in cell activity. A G-protein is a signal transduction molecule that alternates between an inactive GDP-bound and an active GTP-bound state. Combining with a cholecystokinin, any of a group of related neuropeptides secreted by the upper intestinal mucosa and also found in the central nervous system, to initiate a change in cell activity. Combining with a neuropeptide to initiate a change in cell activity.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: cholecystokinin receptor activity
Acc: GO:0004951
Aspect: Molecular Function
Desc: Combining with a cholecystokinin, any of a group of related neuropeptides secreted by the upper intestinal mucosa and also found in the central nervous system, to initiate a change in cell activity.
Proteins in PDR annotated with:
   This term: 5 [Search]
   Term or descendants: 10 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0004951 - cholecystokinin receptor activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle