ChEBI: Novobiocin is a coumarin-derived antibiotic obtained from Streptomyces niveus. It has a role as an antibacterial agent, an EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor, an antimicrobial agent, an Escherichia coli metabolite and a hepatoprotective agent. It is a hexoside, a monocarboxylic acid amide, a monosaccharide derivative, a hydroxycoumarin, an ether, a carbamate ester and a member of phenols. It is a conjugate acid of a novobiocin(1-).NCI Thesaurus (NCIt): Novobiocin is an aminocoumarin antibiotic, produced by the actinomycete Streptomyces nivens, with antibacterial property. Novobiocin, as well as other aminocoumarin antibiotics, inhibits bacterial DNA synthesis by targeting at the bacteria DNA gyrase and the related enzyme DNA topoisomerase IV. This antibiotic was used to treat infections by gram-positive bacteria.