An anthracycline antibiotic that is produced by Streptomyces galilaeus and also has potent antineoplastic activity. ChEBI: Aclacinomycin A is an anthracycline antibiotic that is produced by Streptomyces galilaeus and also has potent antineoplastic activity. It has a role as an antimicrobial agent, an EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor, an apoptosis inducer, an antineoplastic agent and a bacterial metabolite. It is an anthracycline, an aminoglycoside, a trisaccharide derivative, a polyketide, a member of phenols, a methyl ester and a member of tetracenequinones. It is functionally related to an aklavinone. It is a conjugate base of an aclacinomycin A(1+). It is a tautomer of an aclacinomycin A zwitterion.