Cas9 recombinant protein, NLS-Cas9 , S. pyogenes

Cat #: EG-209

   

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Product Name TAT-NLS-Cas9 Nuclease (6×His-tagged)
Size 100 µg (1 mg/mL stock concentration)
Description

Recombinant CRISPR-Cas9 nuclease engineered for enhanced cellular delivery and nuclear localization. This protein contains:

  • N-terminal modifications:
    • TAT cell-penetrating peptide (GRKKRRQRRRPPAGTSV)
    • SV40 nuclear localization signal (KKKRKV)
  • C-terminal modifications:
    • SV40 nuclear localization signal
    • 6×His tag for purification
  • Source: Purified from codon-optimized E. coli expression system
Applications
  • Genome editing:
    • Cell culture transfection
    • One-cell embryo microinjection
    • Organoid engineering
  • In vitro applications:
    • Targeted DNA cleavage assays
    • Protospacer adjacent motif (PAM) validation
    • gRNA activity testing
Specifications
  • Molecular Weight: ~160 kDa (theoretical)
  • Purity: >95% (SDS-PAGE with Coomassie staining)
  • Storage Buffer: 10 mM HEPES (pH 7.4), 300 mM NaCl, 0.1 mM EDTA, 1 mM DTT, 50% glycerol
  • Activity: >90% target cleavage efficiency with validated gRNAs
Stability
  • -80°C: 2 years
  • -20°C: 1 year
  • 4°C: 1 month
Recommended Usage

For genome editing in cultured cells:

  1. Complex with gRNA (molar ratio 1:2) for 10 min at room temperature
  2. Deliver using appropriate transfection method
  3. Typical working concentration: 0.5-2 µM
Shipping Dry ice (stable for 72 hours in transit)
Storage -20°C (short-term), -80°C (long-term)