SMILES: C[C@@]1([C@H]2C[C@H]3[C@@H](C(=O)C(=C([C@]3(C(=O)C2=C(C4=C1C=CC=C4O)O)O)[O-])C(=O)N)[NH+](C)C)O
Description: 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-).