EOG8T4G9Z	GO:0005262	1/36	calcium channel activity	molecular_function	"Enables the selective, facilitated diffusion of a calcium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism." [GOC:mtg_transport, GOC:pr, ISBN:0815340729]
EOG8T4G9Z	GO:0016020	1/36	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]