L-histidine transmembrane transporter activity

Enables the transfer of L-histidine from one side of a membrane to the other. L-histidine is 2-amino-3-(1H-imidazol-4-yl)propanoic acid. [ GOC : mtg_transport https://www.worldcat.org/search?q=bn%3A0815340729 GOC : ai ]

This is just here as a test because I lose it