subject | relation | object |
---|---|---|
4-(trimethylammonio)butanoate transmembrane transporter activity | is_a | modified amino acid transmembrane transporter activity (GO:0072349) |
4-(trimethylammonio)butanoate transmembrane transporter activity | is_a | quaternary ammonium group transmembrane transporter activity (GO:0015651) |
subject | relation | object |
---|---|---|
(R)-carnitine:4-(trimethylammonio)butanoate antiporter activity (GO:0044667) | is_a | 4-(trimethylammonio)butanoate transmembrane transporter activity |