Recognition Sequence :
VC↑TCGAGB
BGAGCT↓CV
Unit Definition :
One unit of the enzyme is the amount required to hydrolyze 1 μg of Lambda DNA (HindIII-digest) 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); 200 mM KCl; 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 :
An E.coli strain that carries the cloned PspX I gene from Pseudomonas species A1-1
Assayed on :
Lambda DNA (HindIII-digest)
Working buffer :
Y (33 mM Tris-acetate (pH 7.9 at 25°C); 10 mM magnesium acetate; 66 mM potassium acetate; 1 mM DTT.) + BSA
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 37°C.
Concentration, u.a./ml :
10000
Inactivation :
20min Under 80°C
Reagents Supplied :
10 X SE-buffer Y, BSA
Notes :
To obtain 100% activity, BSA should be added to the 1 x reaction mix to a final concentration of 100 μg/ml.
Do not use BSA for long incubation.
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