BSTU I (1000 U)

Descrizione

CG/CG
GC/GC

Source:
Bacillus stearothermophilus U458 (Z. Chen)

Reagents Supplied:
NEBuffer 4 (10X)

Enzyme Properties

Activity in NEBuffers:
NEBuffer 1:100%
NEBuffer 2:100%
NEBuffer 3:50%
NEBuffer 4:100%

When using a buffer other than the optimal (supplied) NEBuffer, it may be necessary to add more enzyme to achieve complete digestion.

Methylation Sensitivity:
dam methylation: Not sensitive
dcm methylation: Not sensitive
CpG methylation: Blocked

Activity at 37°C:
20%

Heat Inactivation:
No

Survival in a Reaction:
(+ + +) Suitable for an extended or overnight digestion. Enzyme is active > 8 hours.

Reaction & Storage Conditions


Reaction Conditions:
1X NEBuffer 4
Incubate at 60°C.

1X NEBuffer 4:
20 mM Tris-acetate
50 mM potassium acetate
10 mM Magnesium Acetate
1 mM Dithiothreitol
pH 7.9 @ 25°C

Unit Definition:
One unit is defined as the amount of enzyme required to digest 1 µg of ? DNA in 1 hour at 60°C in 50 µl assay buffer.

Concentration:
10,000 units/ml

Unit Assay Substrate:
Lambda DNA

Storage Conditions:
10 mM Tris-HCl
50 mM NaCl
1 mM Dithiothreitol
0.1 mM EDTA
200 µg/ml BSA
50% Glycerol
pH 7.4 @ 25°C

Storage Temperature:
-20°C

Diluent Compatibility:
Diluent A