Salt Active Nuclease


Salt Active Nuclease has optimum activity at 0.5 M NaCl, is active in the pH range of 7 to 10 and low temperatures, which makes the enzyme ideal for use in removal of nucleic acids from cell extracts and proteins samples. It will remove contaminating nucleic acids in a traditional protein buffer system. That guarantees the full protection of proteins while the nucleic acids are fully removed.

  • Non-specific endonuclease
  • Optimum activity at high salt concentration (0.5 M NaCl)
  • Active at low temperatures (20 % at 6 ºC)
  • Broad pH range
  • Easily inactivated by reducing agents


  • Salt Active Nuclease is a highly active non-specific endonuclease from a marine bacterium that cleaves both DNA and RNA. It digests DNA versus RNA in a 10:1 ratio.
    Supplied as solution in 25 mM Tris-HCl pH 7.5, 5 mM MgCl2, 0.5 M NaCl, 0.01 % Triton® X-100, 50 % (v/v) glycerol.



    pH optimum
    Salt optimum
    pH 9
    0.5 M NaCl
    Unit definition: One unit is defined as an increase in absorbance at 260 nm of 0.001 per minute at 37 ºC, using 50 μg/ml calf thymus DNA in a buffer consisting of 25 mM Tris-HCl, pH 8.5 (25 ºC), 5 mM MgCl2, 500 mM NaCl.


    HS: 38220000
    Storage Temperature: -15 °C to -25 °C

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