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  • Title: [Isolation and physicochemical study of the components of the new antibacterial antibiotic 2562].
    Author: Lysenkova LN, Brazhnikova MG, Borisova VN, Fedorova GB, Rubasheva LM.
    Journal: Antibiotiki; 1980 Jul; 25(7):483-8. PubMed ID: 6250459.
    Abstract:
    An antibacterial antibiotic complex consisting of 2 components designated as 2562 A and 2562 B is produced by Streptomyces griseovarabilis. The antibiotic was isolated from the mycelium and purified chromatographically on a column with aqueous silicic acid. The study of the components showed that component 2562 A was chlorbiocin, while component 2562 B differed from the known antibiotics of this group. Physicochemical assays demonstrated that component 2562 B differed from chlorbiocin by the absence of the methyl group in pyrrol, which is probably attached to sugar at beta-position. It was found that component 2562 B is a new representative of the antibiotic cumero-glycoside group.
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