Form | Lyophilized powder |
Source | Arthrobacter luteus |
Activity | 20U/mg |
Essential enzyme | β-1, 3-glucan laminaripentahydrolase |
Other enzume activities contained | β-1,3-glucanase (~1.5 x106U/mg), Protease (~1.0x104U/mg), Mannanase (1.0x106U/mg), trace amounts of amylase, xylanase, phosphatase |
DNAse, RNAse not detected |
Optimum pH | 7.5 (@ 35°C) for cell wall lysis; 6.5 (@ 45°C) for hydrolysis of yeast glucan |
Stable pH | 5-10 |
Activators | SH compounds such as cysteine, β-mercacaptoethanol or Dithiothreitol |
Stability | Stable for one year at 4°C |
Heat stability | The lytic activity is lost on incubation at 60°C for 5 minutes |
Unit definition | One lytic unit is defined as catalyzing a 10% decrease in OD800 at 30°C in 30 minutes |
Storage | -20°C |
Size | 1 KU |