EOG8SJ7VF GO:0005267 45/160 potassium channel activity molecular_function "Enables the selective, facilitated diffusion of a potassium 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] EOG8SJ7VF GO:0016021 43/160 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] EOG8SJ7VF GO:0016020 2/160 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] EOG8SJ7VF GO:0046982 2/160 protein heterodimerization activity molecular_function "Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer." [GOC:ai] EOG8SJ7VF GO:0071805 2/160 potassium ion transmembrane transport biological_process "A process in which a potassium ion is transported from one side of a membrane to the other." [GOC:mah]