OBSOLETE. Enables the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: H+(out) + drug(in) = H+(in) + drug(out).
Source:TC:2.A.1.3.-,
TC:2.A.1.2.-
Comment
This term was obsoleted because it is not possible to state that every case of transmembrane transport for a specific chemical constitutes a drug transport.