The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical
composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the
pharmaceutical industry.
Dactinomycin is an antineoplastic antibiotic derived from Streptomyces parvullus. Stable complexes are formed with DNA through intercalation and DNA-dependent RNA synthesis is selectively inhibited. Protein and DNA synthesis are inhibited to a lesser extent.