intracellularly ligand-gated monoatomic ion channel activity intracellularly phosphatidylinositol-3,5-bisphosphate-gated monatomic cation channel activity molecular_function intracellular phosphatidylinositol-3,5-bisphosphate-sensitive cation channel activity pr GO:0097682 Enables the transmembrane transfer of cations by a channel that opens when phosphatidylinositol-3,5-bisphosphate has been bound by the channel complex or one of its constituent parts. 2014-12-17T16:50:30Z intracellular phosphatidylinositol-3,5-bisphosphate-sensitive monatomic cation channel activity ligand-gated monoatomic cation channel activity