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RIBONUCLEASE A SOLUTION MOLECULAR*BIOLOG
Кат. №: R4642-10MG
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Description_x000D_
General description_x000D_
RNase A is an endoribonuclease that attacks at the 3’OHphosphate of a pyrimidine nucleotide. The sequence of pG-pG-pC-pA-pG will be cleaved to give pG-pG-pCp and A-pG. The highest activity is exhibited with single stranded RNA._x000D_
Application_x000D_
Ribonuclease A is used to remove RNA from DNA plasmid preparations and protein samples. It is also used in RNA sequence analysis and protection assays._x000D_
Suitable for:_x000D_
• RNase protection assays_x000D_
• Removal of unspecifically bound RNA_x000D_
• Analysis of RNA sequences_x000D_
• Hydrolysis of RNA contained in protein samples_x000D_
• Plasmid DNA purification_x000D_
Features and Benefits_x000D_
• RNase protection assays_x000D_
• Remove unspecifically bound RNA_x000D_
• Analysis of RNA sequences_x000D_
• Hydrolyze RNA contained in protein samples_x000D_
• Purification of DNA_x000D_
Components_x000D_
RNase A is supplied as a solution of 50% glycerol containing 10 mM Tris-HCl (pH 8.0)._x000D_
Unit Definition_x000D_
A major application for RNase A is the removal of RNA from preparations of plasmid DNA. For this application, DNase free RNase A is used at a final concentration of 10 ug/mL._x000D_
Boiling stock solutions of this RNase A product to inactivate residual DNase is not necessary and may cause precipitation of RNase and possible loss of enzymatic activity. If an RNase A solution is heated at a neutral pH, precipitation will occur. When heated at a lower pH, some precipitation may occur because of protein impurities that are present._x000D_
Analysis Note_x000D_
Protein determined by E1%/280_x000D_
Other Notes_x000D_
Activators of RNase A include potassium and sodium salts. RNase A can be inhibited by alkylation of His12 or His119.
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