EOG8ZCWNJ	GO:0005272	3/7	sodium channel activity	molecular_function	"Enables selective, facilitated diffusion of a sodium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism." [GOC:BHF, GOC:mtg_transport, GOC:pr, ISBN:0815340729]
EOG8ZCWNJ	GO:0016020	2/7	membrane	cellular_component	"A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it." [GOC:dos, GOC:mah, ISBN:0815316194]
EOG8ZCWNJ	GO:0016021	1/7	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]