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RsaI

Restriction  enzyme for molecular biology applications
 
ENZ-GEN109-1000 1000 U 76.00 USD
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  • High quality enzyme with stringent QC testing
  • Includes 10X Cutting Buffer
  • BSA premixed into buffers
  • Suitable for molecular cloning, restriction site mapping, genotyping, southern blotting, SNP
RsaI is a restriction enzyme that recognizes GT^AC sites.

10X Cutting Buffer is included that contains BSA, which enhances enzyme stability and binds to contaminants in DNA preps.

Product Details

Source:Produced in an E. coli strain that carries the cloned RsaI gene from Rhodopseudomonas sphaeroides.
 
Concentration:RsaI 10,000 units/ml
Includes 10X Cutting Buffer
 
Formulation:Liquid. In 100mM sodium chloride, containing 10mM Tris-HCl, pH 7.4, 1mM DTT, 0.1mM EDTA, 50% glycerol and 200µg/ml BSA.

After reconstitution, 1X Cutting Buffer: 50mM potassium acetate, 20mM Tris-acetate, 10mM magnesium acetate, 100µg/ml BSA, pH 7.9, at 25°C.
 
Quality Control:Exonuclease Activity (Radioactivity Release):
A 50 µl reaction in 1X Cutting Buffer containing 1 µg of a mixture of single and double stranded [3H] E. coli DNA and a minimum of 50 units of RsaI incubated for 4 hours at 37°C releases <0.1% of the total radioactivity.

Ligation and Recutting (Terminal Integrity):
After a 10-fold over digestion of λ DNA with RsaI, ~95% of the DNA fragments can be ligated with T4 DNA ligase in 16 hours at 16°C. Of these ligated fragments, >95% can be recut with RsaI.

Non-Specific DNase Activity (16 Hour):
A 50 µl reaction in 1X Cutting Buffer containing 1 µg of λ DNA and a minimum of 50 Units of RsaI incubated for 16 hours at 37°C results in a DNA pattern free of detectable nuclease degradation as determined by agarose gel electrophoresis.
 
Activity:One unit is defined as the amount of enzyme required to digest 1 µg of λ DNA in 1 hour at 37°C in a total reaction volume of 50 µl.
 
Applications:Southern Blot, Cloning, Genotyping, CGH
 
Application Notes:For molecular cloning, restriction site mapping, genotyping, Southern blotting, SNP.
 
Reconstitution:Reconstitute 10X Cutting Buffer with nuclease-free water
 
Shipping:Blue Ice
 
Long Term Storage:-20°C
 
Protocol:Reaction conditions:
1X Cutting Buffer 37°C
 
Regulatory Status:RUO - Research Use Only
 
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