It is produced by the strain of Streptomyces griseoaurantiacus MK393-AF2. It has activity against gram-positive bacteria, including Enterococcus seriolicida and MRSA (MIC is 0.10-0.20 μg/mL). It also strongly inhibits the activity of L1210, P388, LS-180, KB, HeLaS3, Meth A and B16-BL6 (IC50 is 0.009-0.098 μg/mL).