amino-acid betaine transmembrane transporter activity
Enables the transfer of betaine from one side of a membrane to the other. Betaine is the N-trimethyl derivative of an amino acid.
GO:0015651
quaternary ammonium group transmembrane transporter activity
is_a
GO:0072349
modified amino acid transmembrane transporter activity
is_a
betaine transmembrane transporter activity
exact
betaine/GABA:sodium symporter activity
narrow
glycine betaine/proline porter activity
narrow
proline/glycine/betaine:hydrogen/sodium symporter activity
narrow