SRE0015
Salt Active Nuclease (SAN)
recombinant, expressed in Pichia pastoris
Synonyme(s) :
Endonucelase, Salt active endonuclease
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About This Item
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54
Produits recommandés
Source biologique
fermentation/recombinant
Niveau de qualité
Produit recombinant
expressed in Pichia pastoris
Forme
buffered aqueous glycerol solution
Activité spécifique
≥250000 U/mg
Technique(s)
DNA extraction: suitable
Adéquation
suitable for nucleic acid purification
Application(s)
cell analysis
Conditions d'expédition
wet ice
Température de stockage
−20°C
Catégories apparentées
Application
Salt active nuclease has been used to remove DNA during protein expression and purification.
Actions biochimiques/physiologiques
Salt active nuclease (SAN) is a general, unspecific endonuclease that cleaves double-stranded and single-stranded DNA, and RNA. SAN is active at above neutral pH. Unlike other nucleases, however, it has optimum activity at high concentrations of salt at high pH. These qualities make SAN ideal for removal of DNA from cell extracts and protein samples. The end-products upon complete degradation of DNA consist of a majority of 5 nucleotide
oligos. The enzyme degrades DNA vs. RNA in a ratio of 10:1.
SAN is highly active over the temperature range 10-40 °C. The optimal NaCl-concentration for activity is 0.5 M. However, SAN is active in low salt buffers. 1 M NaCl is not recommended for use of SAN. Mg2+ (>1 mM) is required for activity. The pH working range is above neutral pH, with an optimal range between pH 8.5-9.5
Physical form: Solution in 25 mM Tris-HCl (pH 7.5), 5 mM MgCl2, 0.5 M NaCl, 0.01% Triton, and 50% (v/v) glycerol
Unit definition: One unit (U) is defined as an increase in absorbance at 260 nm of 1 Absorbance Unit in 30 minutes at 37 ºC, using 50 μg/ml calf thymus DNA in a buffer with 25 mM Tris-HCl (pH 8.5, 25 ºC), 5 mM MgCl2, and 500 mM NaCl.
oligos. The enzyme degrades DNA vs. RNA in a ratio of 10:1.
SAN is highly active over the temperature range 10-40 °C. The optimal NaCl-concentration for activity is 0.5 M. However, SAN is active in low salt buffers. 1 M NaCl is not recommended for use of SAN. Mg2+ (>1 mM) is required for activity. The pH working range is above neutral pH, with an optimal range between pH 8.5-9.5
Physical form: Solution in 25 mM Tris-HCl (pH 7.5), 5 mM MgCl2, 0.5 M NaCl, 0.01% Triton, and 50% (v/v) glycerol
Unit definition: One unit (U) is defined as an increase in absorbance at 260 nm of 1 Absorbance Unit in 30 minutes at 37 ºC, using 50 μg/ml calf thymus DNA in a buffer with 25 mM Tris-HCl (pH 8.5, 25 ºC), 5 mM MgCl2, and 500 mM NaCl.
Définition de l'unité
One unit (U) is defined as an increase in absorbance at 260 nm of 1 absorbance unit (AU) in 30 minutes at 37 °C, using 50 μg/ml calf thymus DNA in a buffer with 25 mM Tris-HCl (pH 8.5, 25 °C), 5 mM MgCl2, and 500 mM NaCl.
Code de la classe de stockage
10 - Combustible liquids
Classe de danger pour l'eau (WGK)
WGK 2
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
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