TrueCut™ HiFi Cas9 Protein (5 μg/μL)
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TrueCut™ HiFi Cas9 Protein (5 μg/μL)
Invitrogen™

TrueCut™ HiFi Cas9 Protein (5 μg/μL)

A high fidelity CRISPR Cas9 protein variant engineered to demonstrate superior off-target profiles, while preserving maximum on-target editing efficiency. TrueCut HiFi Cas9 Protein is ideal for applications that are sensitive to off-target events and when more precise editing is required.
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Catalog NumberQuantity
A50577500 μg
A50576100 μg
Catalog number A50577
Price (CNY)
9,437.00
Online Exclusive
Ends: 31-Dec-2025
12,128.00
Save 2,691.00 (22%)
Each
Add to cart
Quantity:
500 μg
Price (CNY)
9,437.00
Online Exclusive
Ends: 31-Dec-2025
12,128.00
Save 2,691.00 (22%)
Each
Add to cart

Invitrogen TrueCut HiFi Cas9 Protein is a high fidelity CRISPR Cas9 protein variant engineered to demonstrate superior off-target profiles, while preserving maximum on-target editing efficiency.

Features include:

  • Near complete elimination of off-target events in all tested cell lines including standard, immune, primary, and stem
  • Maintains maximum on-target editing efficiency compared to TrueCut Cas9 Protein v2
  • Transfection-ready using either electroporation or lipid-mediated transfection reagents
  • Manufactured under strict ISO-13485 quality standards
  • Ideal for applications that are sensitive to off-target events and when more precise editing is required
  • Eliminates time-consuming cloning steps

Available in two Concentrations:

  • 1 μg/μL: for use in standard editing scenarios
  • 5 μg/μL: for optimized editing conditions in more difficult scenarios such as in primary or embryonic cells, microinjection, or when screening multiple gRNA sequences at a time
  • For custom sizes or concentrations, please inquire

Options for obtaining CRISPR gRNA for use with TrueCut Cas9 Protein v2:

  • Order pre-designed TrueGuide Synthetic gRNAs for high-efficiency knock out in human or mouse
  • Submit your own design for custom synthesis of CRISPR sgRNA
  • Use our free TrueDesign CRISPR Genome Editor software for easy design and ordering of custom gRNA for precise genome editing
Specifications
Product TypeHiFi Cas9
Purity≥90%
Quantity500 μg
SourceE. coli
Concentration5 μg/μL
FormLiquid
Sensitive to Heat InactivationYes
Unit SizeEach

Frequently asked questions (FAQs)

Do you offer TrueCut HiFi Cas9 Protein at different concentrations?

Yes, we offer TrueCut HiFi Cas9 Protein in the following concentrations:
1 µg/µL (Cat. Nos. A50574, A50575) for use in standard editing scenarios 5 µg/µL (Cat. Nos. A50576, A50577) for optimization of editing conditions in more difficult scenarios such as in primary or embryonic cells, microinjection, or when screening multiple gRNA sequences at a time

What is the difference between TrueCut Cas9 Protein v2 and TrueCut HiFi Cas9 Protein?

TrueCut HiFi Cas9 Protein is a modified Cas9 enzyme engineered to exhibit superior off-target profile, while maintaining maximum on-target cleavage efficiency of the wild type TrueCut Cas9 Protein v2. TrueCut HiFi Cas9 Protein is ideal for experiments that are sensitive to off-target events while still requiring a high level of editing efficiency.

What is the storage buffer composition for TrueCut Cas9 Protein v2 and TrueCut HiFi Cas9 Protein?

The storage buffer composition for TrueCut Cas9 Protein v2 and TrueCut HiFi Cas9 Protein is as follows:
15 mM Tris-HCl pH 8.0, 150 mM NaCl, 1.0 mM TCEP, 50% glycerol.

Which lipid transfection reagent do you recommend using with TrueCut Cas9 Protein v2 and TrueCut HiFi Cas9 Protein?

We recommend using Lipofectamine CRISPRMAX Transfection Reagent with TrueCut Cas9 Protein v2 or TrueCut HiFi Cas9 Protein.

What gRNA format do you recommend using with TrueCut Cas9 Protein v2 and TrueCut HiFi Cas9 Protein?

TrueCut Cas9 Protein v2 and TrueCut HiFi Cas9 Protein are designed to work with TrueGuide synthetic gRNAs, but can also be used with in vitro transcribed gRNA from the GeneArt Precision gRNA Synthesis Kit.