A glycoprotein belonging to the family of bleomycin antibiotic, in the body is capable of acting on most bacteria, fungi (yeast), plant, and animal cells white crystals powder soluble in water. Working Concentration:25 ug / ml (Ecoli); 100-750 ug / ml (animal cells); 50-250 ug / ml (plant cells); 50 ug / mL (yeasts).