Enables the transfer of choline from one side of a membrane to the other. Choline (2-hydroxyethyltrimethylammonium) is an amino alcohol that occurs widely in living organisms as a constituent of certain types of phospholipids and in the neurotransmitter acetylcholine.
Reactome:R-HSA-5658483 "Defective SLC5A7 does not cotransport Cho, Cl-, Na+ from extracellular region to cytosol"
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reactome:R-HSA-429594 "SLC5A7 cotransports Cho, Cl-, Na+ from extracellular region to cytosol"
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reactome:R-HSA-444433 "Cho transports from the extracellular space to the cytosol"
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reactome:R-HSA-6797956 "SLC44A1 transports Cho from cytosol to mitochondrial matrix"