The Journal of Antibiotics
Online ISSN : 1881-1469
Print ISSN : 0021-8820
ISSN-L : 0021-8820
METABOLIC PRODUCTS OF MICROORGANISMS. 258
ENZYMATIC BROMINATION OF NIKKOMYCIN Z
HEINRICH DECKERUWE PFEFFERLECHRISTIANE BORMANNHANS ZÄHNERHANS-PETER FIEDLERKARL-HEINZ VAN PÉEMATTHIAS RIECKWILFRIED A. KÖNIG
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1991 Volume 44 Issue 6 Pages 626-634

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Abstract

Two brominated nikkomycins were produced by enzymatic halogenation of nikkomycin Z in the presence of a nonheme bromoperoxidase isolated from Streptomyces aureofaciens Tü 24. The monobrominated and dibrominated nikkomycin Z derivatives were substituted at the hydroxypyridyl moiety of the N-terminal amino acid of nikkomycin Z at position C-6''' (ZBr) or C-4''' and C-6''' (ZBr2).
The brominated nikkomycin Z derivatives had a decreased affinity to chitin synthase of Coprinus cinereus as compared to nikkomycin Z and exhibited a low inhibitory activity towards various fungi and yeasts.

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© Japan Antibiotics Research Association
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