AccBS I: a new restriction endonuclease from Acinetobacter calcoaceticus BS.
// Apllied Biochemistry and microbiology, Vol. 33, No 5, 496-498 (1997). (In Russian)
AccBS I
| Enzyme name | AccBS I | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prototype | BsrBI | ||||||||||||
| Known analogs | BsrBI, MbiI | ||||||||||||
| SKU | SE-E007 | ||||||||||||
| Turbo version | Available | ||||||||||||
| High-concentration version | Not available | ||||||||||||
| Recognition site | 5'… GAG▼CGG …3' 3'… CTC▲GCC …5' | ||||||||||||
| Source | Acinetobacter calcoaceticus BS | ||||||||||||
| Optimal buffer | SE-buffer Y (33 mM Tris-acetate (pH 7.9 at 25°C); 10 mM magnesium acetate; 66 mM potassium acetate; 1 mM DTT.) | ||||||||||||
| Optimal temperature | 37 °C | ||||||||||||
| Inactivation temperature | 65 °C | ||||||||||||
| Buffer activity |
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| Unit definition | One unit of the enzyme is the amount required to hydrolyze 1 μg of Lambda DNA in 1 hour at 37°C in a total reaction volume of 50 μl. | ||||||||||||
| Assayed on | Lambda DNA | ||||||||||||
| Storage conditions | 10 mM Tris-HCl (pH 7.5); 100 mM NaCl; 0.1 mM EDTA; 7 mM 2-mercaptoethanol; 200 μg/ml BSA; 50% glycerol; Store at -20°C. | ||||||||||||
| Ligation | After 5-fold overdigestion with enzyme 90% of DNA fragments can be ligated. Of these 50% can be recut. | ||||||||||||
| Nonspecific hydrolysis | No nonspecific activity was detected after incubation of 1 μg of Lambda DNA with 10 u.a. of enzyme for 16 hours at 37°C. | ||||||||||||
| Methylation sensitivity | not tested | ||||||||||||
| Reagents supplied with enzyme | 10 X SE-buffer Y | ||||||||||||
| References |