The molecule is a zwitterion obtained by transfer of a proton from the 2-hydroxy group to the 1-amino group of tetracycline. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It has a role as an antibacterial drug, an antimicrobial agent, an antiprotozoal drug and a protein synthesis inhibitor. It is a zwitterion and an a tetracycline zwittterion. It is a conjugate base of a tetracycline. It is a conjugate acid of a tetracycline(1-).
(4S,4aS,5aS,6S,12aR)-2-carbamoyl-4-(dimethylazaniumyl)-6,10,11,12a-tetrahydroxy-6-methyl-3,12-dioxo-4,4a,5,5a-tetrahydrotetracen-1-olate