Questiomycin A, B

A: NPEdia
B: NPEdia
Producing organism
Streptomyces sp. RK-16
Biological activity
antimicrobial activity
From the culture fluid of a Streptomyces species isolated from the soil of Kunitachi, Tokyo, two tubercular antibiotics were obtained in crystal forms and named questiomycins A and B. The isolation and purification, the chemical and physical properties, and chem. structures of the ese antibiotics were studied. The chemical structures of questiomycins A and B were determined as 6-aminophenoxazone and o-aminophenol, respectively.
  • ANZAI K, ISONO K, OKUMA K, SUZUKI S.: The new antibiotics, questiomycins A and B.
    J Antibiot, 13, 125-132 (1960) PMID: 13848826
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