CRISPR-Cas9 Antibody (JM11-55)

Novus Biologicals | Catalog # NBP2-67000

Recombinant Monoclonal Antibody
Novus Biologicals
100% Guarantee

Key Product Details

Species Reactivity

Bacteria, S. pyogenes

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin, Western Blot, Flow Cytometry, Immunocytochemistry/ Immunofluorescence

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # JM11-55 expressed in HEK293
View all CRISPR-Cas9 Primary Antibodies »

Product Specifications

Immunogen

Recombinant protein within Streptococcus pyogenes CRISPR-Cas9 aa 730-990 / 1368. (SwissProt: Q99ZW2 StreptococcusPyogenes)

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Theoretical MW

158 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Scientific Data Images for CRISPR-Cas9 Antibody (JM11-55)

CRISPR-Cas9 Antibody (JM11-55)

Western Blot: CRISPR-Cas9 Antibody (JM11-55) [NBP2-67000] -

Western Blot: CRISPR-Cas9 Antibody (JM11-55) [NBP2-67000] - Analysis of CRISPR-Cas9 SP on 293T transfected with Cas9 cell lysates with Rabbit anti-CRISPR-Cas9 SP antibody at 1/1,000 dilution.Lysates/proteins at 20 ug/Lane.Predicted band size: 158 kDaObserved band size: 158 kDaExposure time: 25 seconds; ECL: K1801;4-20% SDS-PAGE gel.Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody at 1/1,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody at 1/50,000 dilution was used for 1 hour at room temperature.

Applications for CRISPR-Cas9 Antibody (JM11-55)

Application
Recommended Usage

Flow Cytometry

1:50-1:100

Immunocytochemistry/ Immunofluorescence

1:50-1:200

Immunohistochemistry-Paraffin

1:50-1:200

Western Blot

1:1000-1:5000

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

TBS (pH7.4), 0.05% BSA, 40% Glycerol

Preservative

0.05% Sodium Azide

Concentration

1 mg/ml

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.

Background: CRISPR-Cas9

Clustered regularly interspaced short palindromic repeats (CRISPRs) are derived from DNA fragments of bacteriophages that infect prokaryotes. When infected, the bacteria capture snips of DNA from the invading virus to create CRISPR arrays. During subsequent infections, the bacteria produce RNA segments from the CRISPR arrays to target the virus' DNA. CRISPR-associated protein 9 (Cas9) is RNA-guided, binds DNA, and is a cleaving enzyme that functions as an integral component of the bacterial CRISPR adaptive immune system that targets the virus' DNA to disable it (1). To check for sites complementary to the 20 base pair spacer region of the guide RNA (gRNA) of the CRISPR, Cas9 unwinds foreign DNA that invades the bacteria. If the DNA substrate is complementary to the gRNA, Cas9 cleaves the invading DNA, rendering the virus disabled. The presence of a 5'-NGG-3' protospacer adjacent motif (PAM) sequence immediately downstream of the target DNA (protospacer) is required for Cas9 cleavage of foreign DNA. As PAM is absent in bacterial CRISPR loci, cleavage of the host genome is avoided and provides a novel sequence for identification of foreign DNA by Cas9.

Using CRISPR-Cas9 technology, double-stranded DNA breaks may be induced within specific targeted genome sequences (target DNA; protospacer) for insertion or removal of DNA sequences for gene editing applications. To target a specific loci, a gRNA that will bind to a specific target sequence of DNA within a genome is created. The gRNA will recognize the DNA sequence, and the Cas9 enzyme will cleave the DNA at the targeted location. Once the targeted DNA is removed by Cas9, the cell's own DNA repair mechanism is used to insert or remove a DNA sequence for genomic editing.

Cas9 detection is used to confirm and evaluate CRISPR Cas9 gRNA transfection efficiency. Western blot analysis of CRISPR-Cas9 gRNA transfected cell lysates with Cas9 antibodies identifies the protein having a theoretical molecular weight of 160kDa. Broad areas of research are benefiting from CRISPR-Cas9 based gene editing tools including studies of basic immunity functions, genetic screening and disease treatment (2). Ethical concerns have led to many countries making it illegal to manipulate human germline cells or perform embryo genome editing.

References

1. Oakes, B. L., Fellmann, C., Rishi, H., Taylor, K. L., Ren, S. M., Nadler, D. C.,... Savage, D. F. (2019). CRISPR-Cas9 Circular Permutants as Programmable Scaffolds for Genome Modification. Cell, 176(1-2), 254-267.e216. doi:10.1016/j.cell.2018.11.052

2. Chiou, S. H., Winters, I. P., Wang, J., Naranjo, S., Dudgeon, C., Tamburini, F. B.,... Winslow, M. M. (2015). Pancreatic cancer modeling using retrograde viral vector delivery and in vivo CRISPR/Cas9-mediated somatic genome editing. Genes Dev, 29(14), 1576-1585. doi:10.1101/gad.264861.115

Long Name

CRISPR-associated Protein 9

Alternate Names

Cas9, CRISPR-associated endonuclease Cas9/Csn1, CRISPR-Cas9/Csn1, CRISPR/Cas9, csn1, SPy_1046, SPy1046, SpyCas9

Additional CRISPR-Cas9 Products

Product Documents for CRISPR-Cas9 Antibody (JM11-55)

Certificate of Analysis

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Product Specific Notices for CRISPR-Cas9 Antibody (JM11-55)

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Protocols

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FAQs for CRISPR-Cas9 Antibody (JM11-55)

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  • Q: Can you tell me if there is more detailed info known about the rabbit isotype cat # JM11-55? Is it kappa light hain for example?

    A: Yes, the CRISPR-Cas9 Antibody (JM11-55) NBP2-67000 has kappa light chains.

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