Recognition site | R↑AATTY YTTAA↓R |
Source | Arthrobacter citreus |
Assayed on | Lambda DNA |
Unit definition | One unit of the enzyme is the amount required to hydrolyze 1 μg of Lambda DNA in 1 hour at 50°C in a total reaction volume of 50 μl. |
Optimal SE-buffer | W (10 mM Tris-HCl (pH 8.5 at 25°C); 10 mM MgCl2; 100 mM NaCl; 1 mM DTT.) + BSA |
Enzyme activity (%) | B | G | O | W | Y | Rose | 25 - 50 | 50 - 75 | 50 - 75 | 100 | 10 - 25 | 100 |
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Optimal temperature | 50oC |
Storage conditions | 20 mM Tris-HCl (pH 7.5); 50 mM KCl; 0.1 mM EDTA; 10 mM 2-mercaptoethanol; 50% glycerol; Store at -20°C. |
Ligation | After 10-fold overdigestion with enzyme more than 90% of the DNA fragments can be ligated and recut. |
Non-specific hydrolisis | No nonspecific activity was detected after incubation of 1 μg of Lambda DNA with 20 u.a. of enzyme for 16 hours at 50°C.
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Reagents Supplied with Enzyme |
10 X SE-buffer W, BSA |
Methylation sensitivity | not tested |
Inactivation 20 minutes under | 80oC |
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.
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Quality control | Restriction Endonucleases: Quality Control |
MSDS: | Download MSDS as PDF |
References: | Degtyarev, S.Kh., Kolyhalov, A.A., Rechkunova, N.I., Abdurashitov, M.A., Nucleic Acids Res. 20: 3789 (1992).
Chernukhin V.A, Abdurashitov M.A., Tomilov V.N., Gonchar D.A., Degtyarev S.Kh. Comparative analysis of mouse chromosomal DNA digestion with restriction endonucleases in vitro and in silico // "Ovchinnikov bulletin of biotechnology and physical and chemical biology" V.3, No 4, pp 19-27, 2007
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