Answers are grounded in this paper and cite their sources.
A new structural class of the antibiotic, epoxyquinomicins A, B, C and D were isolated from the culture broth of the strain MK299-95F4, which was related to Amycolatopsis sulphurea. Antimicrobial activity of epoxyquinomicins A and B were weak against Gram-positive bacteria, and epoxyquinomicins C and D showed almost no antimicrobial activity and no cytotoxicity. All these antibiotics showed improvement of collagen induced arthritis in vivo.
No takes yet. Share an insight, caveat, or question.
Matsumoto et al. (1997) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: