Overview

Cas12a (Cpf1) is a novel CRISPR-Cas DNA endonuclease that, like Cas9, can be used to create double-stranded breaks in DNA. Cas12a offers several advantages over Cas9 that expand its utility in gene editing applications:

  • Expanded editing scope: Cas12a recognizes T-rich PAM sequences, enabling genome editing in species with AT-rich genomes such as zebrafish, etc.
  • Enhanced editing efficiency: In contrast to the blunt ends created by Cas9, Cas12a produces staggered sticky ends at the 5' end, resulting in improved homology-directed repair (HDR) and gene editing efficiency.
  • Shorter gRNA: Cas12a crRNA is around 40-44nt, including a constant region of 20nt and a specificity-binding region of 20-24nt. Also, the crRNA does not require the use of a tracrRNA, making chemical synthesis simpler and more economical.

Leveraging over 21 years of oligonucleotide synthesis experience, GenScript offers customized Cas12a crRNA, supporting AsCas12a/LbCas12a and various customized Cas12 crRNA options, with high purity, precise molecular weight, and proven high efficiency in gene knock-out/knock-in.

30% off!
Improve editing efficiency and reduce cost with our industry-leading sgRNA

  • Get 30% off any order of pegRNA (SC1518-CRISPR), EasyEdit sgRNA (SC1969), SafeEdit sgRNA (SC1968), or Cas12a crRNA (SC1518-CRISPR) using the code 30%OFFGUIDE. Up to 10 nmol per guide.
  • Available for both desalt & HPLC purified grade. Available for online & offline ordering.
  • From now until Dec 31st 2024. Terms Apply.

*Promotions exclude customers in China, Japan, France, Spain, Norway, Switzerland, Italy, Sweden, Denmark, Finland, Portugal, Iceland, Monaco and some organizations. Valid for orders placed between Sep 3rd and Dec 31st 2024 only and cannot be applied to existing orders.

Advantages

Superior Quality

Precise molecular weight, high purity,
excellent batch-to-batch consistency, RUO to cGMP

Proven Efficiency

High gene knockout/knock-in efficiency
verified in multiple cell lines & loci

Flexible Solutions

Desalt and HPLC Grade
None or complimentary PS-2′-Ome modifications

Application

KO/KI Basic Research

Species rich in AT-genome, etc.

Gene & Cell Therapy

High fidelity with low off-target effects

Services

Service Cas12a (cpf1) crRNA Synthesis Service
Length 40-49nt*
*For <40nt or>50nt RNA oligo synthesis, please inquire here
Modification
  • Default: No modifications
  • 2'-O-Methylation and phosphorothioate modifications optional with NO additional cost
  • Other custom modifications available
Purification Desalt & HPLC
Quantity Starting from 2 nmol, up to 5000nmol, Lyophilized powder
QC Reports COA and MS report (HPLC report available for HPLC grade)
Production Time 4 business days (Exclude shipping time)
How to Order
  • For AsCas12a and LbCas12a crRNA synthesis, you can directly provide a variable region sequence of 19-29 nucleotides, and we will automatically add a proven scaffold sequence to the final crRNA.
  • For other Cas12a variants, please provide the complete 40-49 nucleotide sequence directly.

Modification Comments>>

30% off! Competitive Price!

Quantity Desalt Grade HPLC Grade
2 nmol $65 $45.5 Inquiry
5 nmol $90 $63
10 nmol $120 $84

Need help from an expert to support your Cas12a crRNA request?

Case Studies

Cas12a crRNA Design Tool

GenScript offers an easy-to-use crRNA design tool for AsCas12a and LbCas12a, which includes a variety of crRNA design parameters for your reference and selection. Try it now:

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