branched-chain amino acid:sodium symporter activity
Enables the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: branched-chain amino acid(out) + cation(out) = branched-chain amino acid(in) + cation(in).
GO:0005343
organic acid:sodium symporter activity
is_a
GO:0015658
branched-chain amino acid transmembrane transporter activity
is_a