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Catalysis of the energy-independent passage of cations across a lipid bilayer down a concentration gradient. Catalysis of the transfer of metal ions from one side of a membrane to the other. Catalysis of the calcium concentration-regulatable energy-independent passage of cations across a lipid bilayer down a concentration gradient. Catalysis of the calcium concentration-regulatable energy-independent passage of potassium ions across a lipid bilayer down a concentration gradient. Catalysis of facilitated diffusion of an ion (by an energy-independent process) by passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: calcium activated cation channel activity
Acc: GO:0005227
Aspect: Molecular Function
Desc: Catalysis of the calcium concentration-regulatable energy-independent passage of cations across a lipid bilayer down a concentration gradient.
Synonyms:
  • intracellular calcium-activated potassium channel
  • polycystin
Proteins in PDR annotated with:
   This term: 13 [Search]
   Term or descendants: 81 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0005227 - calcium activated cation channel activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle