Name: Cas9 ( S. aureus ) (E4G3U) Rabbit mAb
Price: 327.00 USD
Availability: InStock

Filter:

WB
IF
F

Supporting Data

REACTIVITY	All
SENSITIVITY	Transfected Only
MW (kDa)	124
Source/Isotype	Rabbit IgG

Application Key:

WB-Western Blotting
IF-Immunofluorescence
F-Flow Cytometry

Species Cross-Reactivity Key:

All-All Species Expected

Product Information

Product Usage Information

Application	Dilution
Western Blotting	1:1000
Immunofluorescence (Immunocytochemistry)	1:200
Flow Cytometry (Fixed/Permeabilized)	1:100

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

For a carrier free (BSA and azide free) version of this product see product #87855.

Protocol

Specificity / Sensitivity

Cas9 (S. aureus) (E4G3U) Rabbit mAb recognizes transfected Cas9 (S. Aureus) protein. This antibody does not cross-react with Cas9 (S. pyogenes), AsCpf1 (Strain BV3L6), and FnCpf (Strain U112).

Species Reactivity:

All Species Expected

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Val905 of S. aureus Cas9 protein.

Background

The CRISPR associated protein 9 (Cas9) is an RNA-guided DNA nuclease and part of the CRISPR antiviral immunity system that provides adaptive immunity against extra chromosomal genetic material (1). The CRISPR antiviral mechanism of action involves three steps: (i), acquisition of foreign DNA by host bacterium; (ii), synthesis and maturation of CRISPR RNA (crRNA), followed by the formation of RNA-Cas nuclease protein complexes; and (iii), target interference through recognition of foreign DNA by the complex and its cleavage by Cas nuclease activity (2). The type II CRISPR/Cas antiviral immunity system provides a powerful tool for precise genome editing and has potential for specific gene regulation and therapeutic applications (3). The Cas9 protein and a guide RNA consisting of a fusion between a crRNA and a trans-activating crRNA (tracrRNA) must be introduced or expressed in a cell. A 20-nucleotide sequence at the 5' end of the guide RNA directs Cas9 to a specific DNA target site. As a result, Cas9 can be "programmed" to cut various DNA sites both in vitro and in cells and organisms. CRISPR/Cas9 genome editing tools have been used in many organisms, including mouse and human cells (4,5). Research studies demonstrate that CRISPR can be used to generate mutant alleles or reporter genes in rodents and primate embryonic stem cells (6-8).

Cas9 (S. aureus) is a Cas9 ortholog that is smaller, but as efficient, as the more commonly used Cas9 ortholog, Cas9 (S. pyogenes) (9).

Database Links

UniProt ID: J7RUA5

Entrez-Gene Id:

Limited Uses

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Cas9 (S. aureus) (E4G3U) Rabbit mAb #51610