Physico-chemical and biological properties of actagardine and some acid hydrolysis products.

Physico-chemical and biological properties of actagardine and some acid hydrolysis products. A-16686, a new antibiotic from Actinoplanes I. Fermentation, isolation and preliminary physico-chemical characteristics. Organization of the biosynthetic genes encoding deoxyactagardine B (DAB), a new lantibiotic produced by Actinoplanes liguriae NCIMB41362 Sequence determination of actagardine, a novel lantibiotic, by homonuclear 2D NMR spectroscopy. Protactin, a new antibiotic metabolite and a possible precursor of the actinomycins. Protactin, a new antibiotic metabolite and a possible precursor of the actinomycins. Dactylocyclines, novel tetracycline derivatives produced by a Dactylosporangium sp. I. Taxonomy, production, isolation and biological activity. Actinomycins as proteinase inhibitors AT2433-A1, AT2433-A2, AT2433-B1, and AT2433-B2 novel antitumor antibiotic compounds produced by Actinomadura melliaura. Taxonomy, fermentation, isolation and biological properties. Helvecardins A and B, novel glycopeptide antibiotics. I. Taxonomy, fermentation, isolation and physico-chemical properties.