label: high-affinity thiamine:proton symporter activity
label_lc: high-affinity thiamine:proton symporter activity
description: "Enables the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: thiamine(out) + H+(out) = thiamine(in) + H+(in). In high-affinity transport the transporter is able to bind the solute even if it is only present at very low concentrations."