has role tertiary alpha-hydroxy ketone tetracyclines tetracycline Tetrazyklin Tetracyclin Liquamycin tetracycline chebi_ontology Deschlorobiomycin Anhydrotetracycline Tsiklomitsin Tetracycline CHEBI:9474 TETRACYCLINE CHEBI:45729 (4S,4aS,5aS,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide CHEBI:27902 A broad-spectrum polyketide antibiotic produced by the <em>Streptomyces genus</em> of actinobacteria. Abramycin CHEBI:26894 antiprotozoal drug antibacterial drug protein synthesis inhibitor Escherichia coli metabolite tetracycline zwitterion