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Catalysis of the transmembrane transfer of a calcium ion by a channel that opens when inositol 1,4,5-trisphosphate has been bound by the channel complex or one of its constituent parts. Combining with an extracellular or intracellular messenger to initiate a change in cell activity. Mediates the transfer of a signal from the outside to the inside of a cell by means other than the introduction of the signal molecule itself into the cell. Combining with inositol-1,4,5-trisphosphate to initiate a change in cell activity.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: inositol-1,4,5-trisphosphate receptor activity
Acc: GO:0008095
Aspect: Molecular Function
Desc: Combining with inositol-1,4,5-trisphosphate to initiate a change in cell activity.
Synonyms:
  • IP3 receptor activity
Proteins in PDR annotated with:
   This term: 15 [Search]
   Term or descendants: 17 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0008095 - inositol-1,4,5-trisphosphate receptor activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle