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Catalysis of the transmembrane transfer of a solute by a channel that opens in response to a specific ion stimulus. Catalysis of the transmembrane transfer of a solute by a channel that opens in response to a specific stimulus. Catalysis of the chloride concentration-regulatable energy-independent passage of potassium ions across a lipid bilayer down a concentration gradient. Catalysis of the transmembrane transfer of chloride by a channel that opens in response to stimulus by a calcium ion or ions. Transport by a channel involves catalysis of facilitated diffusion of a solute (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel, without evidence for a carrier-mediated mechanism. Catalysis of the transmembrane transfer of potassium by a channel that opens in response to stimulus by a sodium ion or ions. Transport by a channel involves catalysis of facilitated diffusion of a solute (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel, without evidence for a carrier-mediated mechanism. Sodium activated potassium channels have distinctive properties, including a large single channel conductance, subconductance states, and a block of single channel currents at positive potentials, similar to inward rectification. Catalysis of the calcium concentration-regulatable energy-independent passage of potassium ions across a lipid bilayer down a concentration gradient. Catalysis of energy-independent facilitated diffusion, mediated by passage of a solute through a transmembrane aqueous pore or channel. Stereospecificity is not exhibited but this transport may be specific for a particular molecular species or class of molecules.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: ion gated channel activity
Acc: GO:0022839
Aspect: Molecular Function
Desc: Catalysis of the transmembrane transfer of a solute by a channel that opens in response to a specific ion stimulus.
Proteins in PDR annotated with:
   This term: 0
   Term or descendants: 73 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0022839 - ion gated channel activity (interactive image map)
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