Recognition Sequence :
AT↑CGAT
TAGC↓TA
Unit Definition :
One unit of the enzyme is the amount required to hydrolyze 1 μg of Lambda DNA (dam-) in 1 hour at 37°C in a total reaction volume of 50 μl.
Reaction Temperature :
37°C
Storage Buffer :
10 mM Tris-HCl (pH 7.5); 250 mM NaCl; 0.1 mM EDTA; 7 mM 2-mercaptoethanol; 200 μg/ml BSA; 50% glycerol.
Ligation :
After 20-fold overdigestion with enzyme more than 90% of the DNA fragments can be ligated and recut.
Source :
Bacillus stearothermophilus 29
Assayed on :
Lambda DNA (dam-)
Working buffer :
G (10 mM Tris-HCl (pH 7.6 at 25°C); 10 mM MgCl2; 50 mM NaCl; 1 mM DTT.) + BSA
Non-specific hydrolisis :
No nonspecific activity was detected after incubation of 1 μg of Lambda DNA with 40 u.a. of enzyme for 16 hours at 37°C.
Concentration, u.a./ml :
20000
Inactivation :
20min Under 65°C
Methylation sensitivity :
Blocked by overlapping Dam methylation (GmATC): GATCGATC.
Blocked by CG methylation.
Reagents Supplied :
10 X SE-buffer G, BSA (except E205T and E206T)
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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