EOG8VHNQ3 GO:0005230 4/24 extracellular ligand-gated ion channel activity molecular_function "Enables the transmembrane transfer of an ion by a channel that opens when a specific extracellular ligand has been bound by the channel complex or one of its constituent parts." [GOC:mtg_transport, ISBN:0815340729] EOG8VHNQ3 GO:0016021 4/24 integral component of membrane cellular_component "The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane." [GOC:dos, GOC:go_curators]