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CRISPRcraft-S.p. Cas9 Nuclease, 10 mg/mL (62 uM); 120 ug

CRISPRcraft-S.p. Cas9 Nuclease, 10 mg/mL (62 uM); 120 ug

$487.00

Cas9 nuclease with NLS for targeted DNA cleavage Recombinant wild-type Streptococcus pyogenes Cas9 nuclease, with NLS Ideal for efficient RNP-based delivery of Cas9/gRNA complexes High concentration (10 mg/mL, 62 µM) compatible with multiple...

NAME SIZE ID AVAILABLITY VENDOR Your PRICE ORDER
CRISPRcraft-S.p. Cas9 Nuclease, 10 mg/mL (62 uM); 120 ug EACH 70020-1 In stock or 2-3 weeks Lucigen $487.00
PRODUCT INFORMATION

Cas9 nuclease with NLS for targeted DNA cleavage

  • Recombinant wild-type Streptococcus pyogenes Cas9 nuclease, with NLS
  • Ideal for efficient RNP-based delivery of Cas9/gRNA complexes
  • High concentration (10 mg/mL, 62 µM) compatible with multiple delivery methods
  • Extensive quality control to ensure activity and purity

CRISPR-Cas9 gene editing is based on activity of Cas9 nuclease, an RNA-guided endonuclease (RGEN). Cas9 catalyzes sequence-specific cleavage of double-stranded DNA by forming a ribonucleoprotein (RNP) complex with a small (~97 nt) guide RNA that directs Cas9 to the desired locus. This precise DNA cleavage enables a variety of in vivo and in vitro applications including gene editing, CRISPR-mediated DNA detection, sequence enrichment and depletion.

CRISPRcraft™ S.p. Cas9 Nuclease is a purified recombinant wild-type Streptococcus pyogenes Cas9 nuclease produced in E. coli, containing a C-terminal 6xHis tag and a C-terminal NLS to allow efficient transport to the nucleus. It is provided at high concentration (10 mg/mL, 62 µM) to enable efficient RNP delivery and compatibility with multiple delivery methods including lipid-based transfection and electroporation (Figures 1 and 2).

Efficient In Vivo Delivery of CRISPRcraft™ S. p. Cas9 Nuclease
Efficient In Vivo Delivery of CRISPRcraft™ S. p. Cas9 Nuclease

Figure 1: CRISPR RNP delivery.
HEK293T cells were transfected in triplicate with RNP containing CRISPRcraft™ S.p. Cas9 Nuclease and guide components from the CRISPRcraft™ S.p. Cas9 Nuclease Control Kit targeting HPRT, using either lipofection or electroporation. Transfection conditions: TransIT-X2® Dynamic Delivery System (Mirus), 50 nM gRNA and 25 nM Cas9; Lipofectamine® RNAiMAX (ThermoFisher Scientific), equimolar Cas9 and gRNA at 25 nM; Ingenio® Electroporation Solution (Mirus), 1.5 µM gRNA and 0.75 µM Cas9, plus Alt-R® Cas9 Electroporation Enhancer (IDT). At 48 hours post-transfection, cleavage efficiency at the HPRT locus was determined using the T7E1 mismatch detection assay and is expressed as % gene modification.

In Vivo Gene Editing
In vivo gene editing with different guide RNA sequences and Cas9 Nuclease

Figure 2: In vivo gene editing with different guide RNA sequences.
HEK293T cells were independently transfected in triplicate with RNP containing CRISPRcraft™ S.p. Cas9 Nuclease and three different guides, each targeting a different loci within human HPRT. Transfections were performed using TransIT-X2® Dynamic Delivery System (Mirus), 20 nM guide and 10 nM Cas9 (2:1 guide:Cas9 molar ratio). Cleavage efficiency at each HPRT locus was determined using the T7E1 mismatch detection assay, 48 hours post-transfection.

High quality of each lot of CRISPRcraft S.p. Cas9 Nuclease is guaranteed by ISO-13485-compliant manufacturing and quality systems, along with rigorous quality control assays (Table 1) to ensure enzyme purity and activity.
Assay Acceptance Criteria
Purity ≥ 95%, by SDS-PAGE
Endotoxin ≤ 10 EU/mg, by LAL
Endonuclease Activity < 10% nicking as determined by agarose gel electrophoresis, 150 ng S.p. Cas9 per assay.
Exonuclease Activity No detectable DNA degradation as determined by agarose gel electrophoresis, 150 ng S.p. Cas9 per assay.
RNase Activity < LOD, by fluorescence-based assay, 15 µg S.p. Cas9 per assay (detection limit equivalent to 0.5 pg RNase A).
DNA Contamination < LOD, by agarose gel electrophoresis.
Activity Assay < 80% of linearized target DNA at 2 nM is digested with 20 nM S.p. Cas9 with equal molar ratio of guide RNA at 37°C for 10 min.

Table 1. CRISPRcraft S.p. Cas9 Nuclease quality control specifications.

 

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