Cas9 Null Mutant NLS Protein
GEEN
1000 nM
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- Application
- Genome Editing with Engineered Nucleases (GEEN)
- Characteristics
- The Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/Cas9 system is the latest RNA-guided, endonuclease tool in genome editing which allows for very specific genomic disruption and replacement. The Cas9 Null Mutant NLS Protein (also referred to as Double Mutant) is created by mutating both cleavage domains of the wild type Cas9 (D10A and H840A) and adding a SV40 T antigen nuclear localization sequence (NLS) on the C-terminus of the protein. Such a Cas9 protein retains its ability to bind to genomic DNA through gRNA:genomic DNA base pairing, however, unlike Cas9 Nuclease and Cas9 Nickase, where permanent gene disruption can be achieved, the Cas9 Null Mutant does not introduce any genome modifications. Therefore, this protein can provide a useful negative control for CRISPR experiments. In addition, binding of the Null Mutant can act as a roadblock to hinder transcription, thus offering a useful tool to achieve reversible knock-down of gene expression.
- Components
- Enzyme supplied with 10X Reaction Buffer
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- Restrictions
- For Research Use only
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- Concentration
- 1000 nM
- Buffer
- 10 mM Tris-HCl ( pH 7.4), 0.1 mM EDTA, 1 mM DTT, 300 mM NaCl, and 50 % (v/v) Glycerol.
- Storage
- -20 °C
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