leucomycin a-13

Leucomycin A13 is a macrolide antibiotic and a component of the leucomycin complex originally isolated from S. kitasatoensis. It is active against B. subtilis, S. aureus, M. luteus, and E. coli with MIC values of 0.16, 0.16, 0.08 and >10 μg ml, respectively. It binds to ribosomes with an IC50 value of 1.2 μM in a radioligand binding assay.