Paulomycins A and B. Isolation and characterization

Paulomycin A, C34H46N2O17S and paulomycin B, C33H44N2O17S are two antibiotics produced by Streptomyces paulus strain 273 (UC 5142). Both antibiotics, which are mainly active against a variety of Gram-positive bacteria, contain an isothiocyanate group and in this respect they are related to senfolomycins A and B and proceomycin.