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Benzonase® Nuclease HC, Purity > 90%

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Synonym(s):
Endonuclease from Serratia marcescens
CAS Number:
Enzyme Commission number:
MDL number:

biological source

Serratia marcescens

recombinant

expressed in E. coli

Assay

>90% (SDS-PAGE)

form

buffered aqueous glycerol solution

manufacturer/tradename

Novagen®

storage condition

OK to freeze

concentration

≥250 units/μL

application(s)

research use

storage temp.

−20°C

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This Item
E10147120670664
Benzonase® Nuclease ≥250 units/μL, ≥90% (SDS-PAGE), recombinant, expressed in E. coli, buffered aqueous glycerol solution

Millipore

E1014

Benzonase® Nuclease

recombinant

expressed in E. coli

recombinant

expressed in E. coli

recombinant

expressed in E. coli

recombinant

expressed in E. coli

assay

>90% (SDS-PAGE)

assay

≥90% (SDS-PAGE)

assay

>99% (SDS-PAGE)

assay

>99% (SDS-PAGE)

form

buffered aqueous glycerol solution

form

buffered aqueous glycerol solution

form

buffered aqueous glycerol solution

form

buffered aqueous glycerol solution

manufacturer/tradename

Novagen®

manufacturer/tradename

-

manufacturer/tradename

Novagen®

manufacturer/tradename

Novagen®

storage condition

OK to freeze

storage condition

-

storage condition

OK to freeze

storage condition

OK to freeze

General description

Benzonase® Nuclease is a genetically engineered endonuclease from Serratia marcescens. It degrades all forms of DNA and RNA (single stranded, double stranded, linear and circular) while having no proteolytic activity. It is effective over a wide range of conditions and possesses an exceptionally high specific activity. The enzyme completely digests nucleic acids to 5′-monophosphate terminated oligonucleotides 2 to 5 bases in length (below the hybridization limit), which is ideal for removal of nucleic acids from recombinant proteins, enabling compliance with FDA guidelines for nucleic acid contamination. The ability of Benzonase to rapidly hydrolyze nucleic acids makes the enzyme an excellent choice for viscosity reduction to reduce processing time and increase yields of protein. For example, the enzyme is compatible with BugBuster® and PopCulture® Protein Extraction Reagents and can therefore be added along with these reagents to eliminate viscosity and remove nucleic acids from E. coli extracts.

The enzyme consists of two subunits of 30 kDa each. It is functional between pH 6 and 10 and from 0-42 °C and requires 1-2 mM Mg2+ for activation. The enzyme is also active in the presence of ionic and non-ionic detergents, reducing agents, PMSF (1 mM), EDTA (1 mM) and urea (relative activity depends on specific conditions). Activity is inhibited by > 150 mM monovalent cations, > 100 mM phosphate, > 100 mM ammonium sulfate, or > 100 mM guanidine HCl.

Benzonase Nuclease is available in ultrapure (> 99% by SDS-PAGE) and pure (> 90%) grades at a standard concentration of 25-29 U/μl and at a high concentration (HC) of 250 U/μl. Both preparations are free of detectable protease and have specific activity > 1 × 106 U/mg protein. The > 99% purity grade is tested for endotoxins and contains < 0.25 EU/1000 units. The product is supplied as a 0.2 μm filtered solution in 50% glycerol. Store at -20°C.

Total endotoxin : < 0.25 EU/1,000 units. Purity : > 90% by SDS-PAGE.

Application

Used for the removal of nucleic acid from protein samples.

Biochem/physiol Actions

Digests native or heat-denatured DNA and RNA.

Warning

Toxicity: Standard Handling

Unit Definition

One unit is defined as the amount of enzyme that causes a A260 of 1.0 in 30 minutes, which corresponds to complete digestion of 37 μg DNA.

Legal Information

BUGBUSTER is a registered trademark of Merck KGaA, Darmstadt, Germany
Benzonase is a registered trademark of Merck KGaA, Darmstadt, Germany
NOVAGEN is a registered trademark of Merck KGaA, Darmstadt, Germany
POPCULTURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

10 - Combustible liquids

WGK

WGK 2


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Articles

Cell lysis and nucleic acid removal for Gram-negative and Gram-positive bacteria using the BugBuster Plus Lysonase™ Kit

The combination of BugBuster® and Lysonase™ reagents greatly enhances the release of soluble proteins from Gram-positive bacteria.

Whether you are developing cell and gene therapies or viral vaccines, removing contaminating nucleic acids is an important part of viral production. The simplest way to do this is to use the Benzonase® endonuclease.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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