Description
Recognition site and hydrolysis position:
CTCTTCN | CTCTTCN↑ |
GAGAAG(N)4 | GAGAAG(N)4↓ |
Source: Bacillus stearothermophilus 6
Unit definition:
One unit of the enzyme is the amount required to hydrolyze 1 μg of Lambda DNA in 1 hour at 65°C in a total reaction volume of 50 μl.
Assayed on:
Lambda DNA
Optimal SE-buffer: SE-buffer Y + BSA
Enzyme activity (%):
B | G | O | W | Y | ROSE |
75 | 75 | 50 | 75 | 100 | 100 |
Storage conditions: 10 mM Tris-HCl (pH 7.5); 50 mM KCl; 0.1 mM EDTA; 7 mM 2-mercaptoethanol; 200 μg/ml BSA; 50% glycerol.
Storage at -20°C.
Storage at -70°C is recommended for periods longer than 30 days..
Ligations:
After 2-fold overdigestion with enzyme 80% of DNA fragments can be ligated. Of these 80% can be recut.
Non-specific hydrolisis:
No nonspecific activity was detected after incubation of 1 μg of Lambda DNA with 5 u.a. of enzyme for 16 hours at 65°C.
Reagents Supplied with Enzyme:
Methylation sensitivity: not tested
Notes: To obtain 100% activity, BSA should be added to the 1x reaction mix to a final concentration of 100 μg/ml.
Do not use BSA for long incubation.
References:
Abdurashitov, M.A., Dedkov, V.S., Kileva, E.V., Popichenko, D.V., Degtyarev, S.K. Unpublished observations (2000)
V.A. Chernukhin, M.A. Abdurashitov, V.N. Tomilov, D.A. Gonchar, S.Kh. Degtyarev Comparative restriction enzymes analysis of rat chromosomal DNA in vitro and in silico // Translated from “Ovchinnikov bulletin of biotechnology and physical and chemical biology” V.2, No 3, pp 39-46, 2006