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Molecular Biology Tools

Products >  Molecular_Biology_Tools >  Modifying_Enzymes >  Nucleases >  BAL_31_Nuclease

BAL 31 Nuclease

BAL 31 Nuclease offers two types of nuclease activities. The enzyme acts as an exonuclease, degrading double-stranded DNA and RNA from both 5'-phosphate and 3'-hydroxyl termini. BAL 31 Nuclease also possesses single-stranded DNA and RNA endonuclease activity and is capable of cleaving at DNA/RNA nicks and gaps. The enzyme requires Ca2+ as an essential cofactor for its exonuclease and endonuclease activities.

BAL 31 Nuclease is supplied in 20 mM Tris-HCl (pH 8.0), 100 mM NaCl, 5 mM CaCl2, 5 mM MgCl2, 1 mM EDTA and 50% glycerol.

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  • Progressive deletion of DNA and RNA fragments


Alteromonas espejiana BAL 31




Supplied with 2X Reaction Buffer [40 mM Tris-HCl (pH 8.0), 1200 mM NaCl, 24 mM MgCl2, 24 mM CaCl2 and 2 mM EDTA].


  1. Gray, Jr., H.B. et al. (1981) Gene Amplif. Anal. 2:169-203.
  2. Sambrook, J. et al. (1989) Molecular Cloning: A Laboratory Manual (2nd Ed.):5.73-5.75. Cold Spring Harbor, Cold Spring Harbor Laboratory Press.

Unit Definition

One unit is defined as the amount of enzyme that produces 1 µg of acid-soluble products from heat-denatured calf thymus DNA in 1 minute at 30°C and pH 8.0.


1–3 U/µL

Cat. # Product Contents Size Price Units Select
2510A BAL 31 Nuclease 50 Units $80.00
2510B BAL 31 Nuclease 250 Units $315.00



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