Micacocidin A, B and C, Novel Antimycoplasma Agents from Pseudomonas sp. II. Structure Elucidation.
Open Access
- 1 January 1998
- journal article
- Published by Japan Antibiotics Research Association in The Journal of Antibiotics
- Vol. 51 (3) , 328-332
- https://doi.org/10.7164/antibiotics.51.328
Abstract
Metal-containing novel heterocyclic antibiotics, micacocidin A (1), B (2), and C (3) have been isolated from the culture filtrate of Pseudomonas sp. No. 57-250. The structure and absolute configuration of micacocidin A, an octahedral Zn2+ complex, was determined by X-ray crystallographic analysis. And then, the structures of the two congeners, micacocidin B (Cu2+ complex) and C (Fe3+ complex) were investigated by employing one dimensional and two dimensional homonuclear and heteronuclear NMR spectroscopies and mass spectrometry.Keywords
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