Novobiocin

Novobiocin Calcium; Novobiocin Sodium; Novobiocin, Monosodium Salt; Calcium, Novobiocin; Monosodium Salt Novobiocin; Sodium, Novobiocin
An antibiotic compound derived from Streptomyces niveus. It has a chemical structure similar to coumarin. Novobiocin binds to DNA gyrase, and blocks adenosine triphosphatase (ATPase) activity. (From Reynolds, Martindale The Extra Pharmacopoeia, 30th ed, p189)