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CRISPR Cas9 Proteins & Gene Editing

CRISPR/Cas9 is a targeted genome editing tool, first discovered in bacteria, containing two components – a guide RNA (gRNA) and a Cas9 nuclease.

THE ULTIMATE SUITE OF CRISPR CAS9 PROTEIN ESSENTIALS AND SERVICES

Advances in genome engineering are enabling researchers to achieve unprecedented breakthroughs, from curing genetic disorders to developing disease-resistant crops. Our reliable CRISPR Cas9 protein essentials and tools deliver complete support for every step of CRISPR-based gene editing research from bench-top to larger scales. Target a single gene with zinc finger nucleases. Choose from two different PURedit® Cas9 Cytosine Base Editor Kits for C to T substitutions, optimized to unique editing windows for challenging edits. Screen a whole genome with fully customizable CRISPR products.

From CRISPR Cas9 proteins to synthetic guide RNAs to lentiviral products for CRISPR based screening, we have the ultimate suite of products for every step in your CRISPR-based gene editing research.

The Sigma-Aldrich® Advanced Genomics portfolio delivers the ultimate suite of genome engineering tools and services to unlock your research potential. Whether you are looking to knockout, knock-in, knockdown, or overexpress your targets, our comprehensive suite of CRISPR gene-editing tools and services will take your research Beyond the Bench. 


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Learn how PURedit® Cas9 Cystosine Base Editor Kits help provide the right edit, right now.

Best in Class Cas9 Proteins including PURedit® Cas9 Cytosine Base Editor Protein Kits

Sigma-Aldrich® offers multiple Cas9 variants (wild-type, enhanced specificity, nickase, GFP-fused, catalytically inactive) in several formats (plasmid, lentivirus, lyophilized protein). Our newest offering, PURedit® Cas9 Cytosine Base Editor protein kits, allow for defined cytosine base editing with two enzymes engineered by our experts for convenient RNP delivery, designed for success.

Guaranteed CRISPR gRNA

Every SygRNA® synthetic single guide RNA (sgRNA), crRNA, and tracrRNA is synthesized using our proprietary process and reagents from the highest quality materials available. Editing activity is assured regardless of your target, cell type, or application, and is backed by the most comprehensive guarantee in the industry. Take advantage of our free custom CRISPR design tools application where you can design your own guides for all type of CRISPR applications, including cytosine base editing with our PURedit® Cas9 Precision and Flexible Cytosine Base Editors.

CRISPR Inhibition and Activation (CRISPRi and CRISPRa)

Gain even greater insights into complex biological networks using Sigma-Aldrich® CRISPR activation and CRISPR inhibition libraries for gene knockdown and overexpression experiments. Pooled CRISPRi and SAM CRISPRa lentiviral libraries are available off-the-shelf or customized to your specific needs.

CRISPR Screening with 10x Genomics Compatibility

Sigma-Aldrich® offers the only 10x Genomics Certified Compatible lentiviral pools for CRISPR single-cell screening. Our optimized, custom lentiviral vectors are fully compatible with Chromium Single Cell Gene Expression v3 and v3.1 (Next GEM) solution utilizing Feature Barcode technology.

We’re Here to Help

Whether you need help designing your CRISPR experiment, require assistance troubleshooting, or simply want to better understand how you can apply gene editing methods in your research, Sigma-Aldrich® Advanced Genomics is here to guide you.

Wondering if CRISPR is right for your project?


Related Resources

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Web Tools

  • PCR Master Mix Calculator

    Perform calculations for large scale PCR reactions and ensure success of scaled up reactions with this online PCR Master Mix Calculator.

  • CRISPR Design Tool

    Design your guide RNA for standard Cas9 editing and PURedit® Cas9 Cytosine Base Editor Proteins.



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