Probing functional diversity in pactamycin toward antibiotic, antitumor, and antiprotozoal activity

Probing functional diversity in pactamycin toward antibiotic, antitumor, and antiprotozoal activity Protactin, a new antibiotic metabolite and a possible precursor of the actinomycins. Protactin, a new antibiotic metabolite and a possible precursor of the actinomycins. Structure-activity relationships of synthetic antibiotic analogs of anisomycin Synthesis and biological evaluation of hydrazidomycin analogues Directed biosynthesis of 5''-fluoropactamycin in Streptomyces pactum. Tetracyclic chromophoric analogs of actinomycin D: synthesis, structure elucidation and interconvertibility from one form to another, antitumor activity, and structure-activity relationships Antiprotozoal activity of 8-acyl and 8-alkyl incomptine A analogs Porothramycin, a new antibiotic of the anthramycin group: Production, isolation, structure and biological activity. Porothramycin, a new antibiotic of the anthramycin group: Production, isolation, structure and biological activity.