BAGOUGERAMINES A AND B, NEW NUCLEOSIDE ANTIBIOTICS PRODUCED BY A STRAIN OF BACILLUS CIRCULANS II. PHYSICO-CHEMICAL PROPERTIES AND STRUCTURE DETERMINATION

ATSUSHI TAKAHASHI; DAISHIRO IKEDA; HIROSHI NAGANAWA; YOSHIRO OKAMI; HAMAO UMEZAWA

doi:10.7164/antibiotics.39.1041

The Journal of Antibiotics

Online ISSN : 1881-1469
Print ISSN : 0021-8820
ISSN-L : 0021-8820

BAGOUGERAMINES A AND B, NEW NUCLEOSIDE ANTIBIOTICS PRODUCED BY A STRAIN OF BACILLUS CIRCULANS

II. PHYSICO-CHEMICAL PROPERTIES AND STRUCTURE DETERMINATION

ATSUSHI TAKAHASHI, DAISHIRO IKEDA, HIROSHI NAGANAWA, YOSHIRO OKAMI, HAMAO UMEZAWA

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1986 Volume 39 Issue 8 Pages 1041-1046

DOI https://doi.org/10.7164/antibiotics.39.1041

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Abstract

Bagougeramines A and B obtained as sulfates were soluble in water and positive to Sakaguchi, chlorine-tolidine and ninhydrin color reactions. Their structures were determined by acid hydrolysis and spectroscopic analysis. Structurally they were closely related to gougerotin and they contained the guanidino-D-alanine instead of the serine residue in gougerotin. Bagougeramine B had the spermidine instead of the 6'-NH₂ in structure of bagougeramine A.

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