SB-203207 and SB-203208, two novel isoleucyl tRNA synthetase inhibitors from a Streptomyces sp I.: Fermentation, isolation and properties

Two novel inhibitors of isoleucyl tRNA synthetase designated SE-203207 and SE-203208 have been detected in the culture of a new Streptomyces species. The fermentation, isolation and some properties of the inhibitors are described.