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EcoR I

Catalog #Pack sizePrice, EuroSHOP
250114S 5.000units12,00Add to cart
250114L25.000 units43,50Add to cart

 

Cutting sequence: G↓AATTC

Isoschizomere: N/A

 

Source:  E. coli RY 13.

 

Buffer supplied: 10x EcoR I.

 

Substrate for unit definition: λ DNA.

 

Reaction conditions: 50 mM NaCl, 100 mM Tris-HCl (pH 7.9 at 25°C), 5 mM MgCl2, 0.025% Triton X-100, 100 μg/ml BSA. Incubate at 37°C.

 

Storage buffer: 300 mM NaCl,  5 mM  KPO4  (pH 7.4), 0.1  mM EDTA,  1 mM dithiothreitol, 0.15% Triton X-100, 200 μg/ml BSA and 50% glycerol. Store at -20°C.

 

Absence of contaminants:  Ten units of EcoRI do not produce any unspecific  cleavage products after 16 hrs incubation with 1 μg of λ DNA at 37°C.  After 50-fold overdigestion with EcoRI, greater than 98% of the DNA fragments can be ligated and recut with this enzyme.

 

Heat inactivation: 65°C for 20 minutes.

 

Star activity: Conditions of low ionic strength, high enzyme concentration, glycerol concentration>5%, or pH>8.0 may result in star activity.

 

Reaction Buffer Table

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