It is produced by the strain of Streptomyces sp. MJ929-SF2. It has anti-DNA helicase activity with Ki value of 6.8 X 10-6 mol/L. It has strong anti-gram-positive bacteria (including MR-SA) activity (MIC is 0.05-0.39 μg/mL), but has no effect on gram-negative bacteria and fungi. It has anti-tumor activity on HeLa S3, L1210, IMC, B16 and FS-3 cells with IC50 (μg/mL) of 1.6, 0.97, 1.56, 0.88 and 0.83, respectively. Its acute toxicity is low, LD50 is 100 mg/kg (mouse, enterocoelia).