folic acid:proton symporter activity
Enables the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: folic acid(out) + H+(out) = folic acid(in) + H+(in). The main folic acid symporter is the Proton-Coupled Folate Transporter (PCFT/SLC46A1), which has similar affinity for transport of reduced folates (5-methyl THF, 5-formyl THF) and folic acid.
GO:0008517
folic acid transmembrane transporter activity
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GO:0015295
solute:proton symporter activity
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