Nuclease S1 from Aspergillus oryzae, for single-strand DNA/RNA digestion

Stock Code: 3579935
Manufacturer Part No: N5661-50KU

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Descriptions

Application

Nuclease S1 from Aspergillus oryzae has been used in a study to assess a biochemical method for mapping mutational alterations in DNA. It has also been used in a study to investigate the DNA damage and repair in a ?-irradiated rat brain tumor.

Biochem/physiol Actions

SI nuclease from Aspergillus oryzae can generate double-stranded DNA breaks in response to DNA nicks or abasic sites.

Nuclease S1 isolated from Aspergillus oryzae exhibits endo- and exolytic hydrolytic activity for the phosphodiester bonds of single-stranded DNA and RNA yielding 5’;-phosphomononucleotide and 5’;-phosphooligonucleotide end-products. It is used to digest non-annealed polynucleotide tails and hairpin loops in RNA and DNA duplexes and can be used to convert superhelical DNA to the linear form.

General description

The Nuclease S1 enzyme from Aspergillus oryzae has the ability to degrade single-stranded oligonucleotides composed of either deoxynucleotides or ribonucleotides.

Physical form

Solution containing 30?mM sodium acetate, 50?mM NaCl, 1?mM ZnCl₂, 50% glycerol, 2?mg/ml protein

Unit Definition

One unit will cause 1.0 microgram of single-stranded nucleic acid to become perchloric acid soluble per minute at pH 4.6 at 37°C.