id | GO:0022843   Detailed information
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  name | voltage-gated cation channel activity
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  namespace | molecular_function
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  def | "Catalysis of the transmembrane transfer of a cation by a voltage-gated channel. A cation is a positively charged ion. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded." [GOC:mtg_transport, ISBN:0815340729]
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  is_a | GO:0005244 ! voltage-gated ion channel activity
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  is_a | GO:0005261 ! cation channel activity
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