Description
Recognition site and hydrolysis position:
ASST | ASST↑ |
TSSA | ↓TSSA |
Source: An E.coli strain that carries the cloned Set I gene from Streptomyces werraensis 37
Unit definition:
One unit is defined as the amount of enzyme required to cleave 1 pmol of the double-stranded oligonucleotide of the below indicated structure in 1 hour at 55°C in a total reaction volume of 20 μl.
Assayed on:
Double-stranded oligonucleotide
5`-CGAGTTTATAGCTGGGCCCAAC-3`
3`-GCTCAAATATCGACCCGGGTTG-5`
Optimal SE-buffer: SE-buffer Y
Enzyme activity (%):
B | G | O | W | Y | ROSE |
25 | 25 | 75 | 75 | 100 | 100 |
Storage conditions: 10 mM Tris-HCl (pH 7.6); 100 mM NaCl; 0.1 mM EDTA; 1 mM DTT; 50% glycerol; Store at -20°C.
Ligations:
After 5-fold overdigestion with enzyme, approximately 50% of the pBR322 DNA fragments can be ligated with T4 DNA Ligase and recut.
Non-specific hydrolisis:
Reagents Supplied with Enzyme:
Methylation sensitivity: not tested
Notes:
References:
Tomilova J.E., Degtyarev S.Kh Substrate specificity of new restriction endonuclease SetI // In press