2A Peptide Antibody (3H4) [Janelia Fluor® 549]

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-59627JF549

Non-recombinant Monoclonal Antibody
Novus Biologicals, part of Bio-Techne

Key Product Details

Species Reactivity

Non-species specific

Applications

Immunocytochemistry/ Immunofluorescence, Immunoprecipitation, Western Blot

Label

Janelia Fluor 549

Antibody Source

Monoclonal Mouse IgG1 kappa Clone # 3H4

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

View all 2A Peptide Antibodies »

Product Specifications

Immunogen

This 2A Peptide Antibody (3H4) was developed against KLH-coupled synthetic peptide corresponding to 2A peptide of Thosea asigna virus (CGDVEENPG)

Specificity

This 2A Peptide Antibody (3H4) peptide antibody is specific for T2A and P2A tagged proteins. Specificity to F2A and E2A proteins has not been tested.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1 kappa

Applications for 2A Peptide Antibody (3H4) [Janelia Fluor® 549]

Application
Recommended Usage

Immunocytochemistry/ Immunofluorescence

Optimal dilutions of this antibody should be experimentally determined.

Immunoprecipitation

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined. Use in flow cytometry reported in PMID: 36356599 and customer review. Novus does not validate this product in flow cytometry and is unable to guarantee its performance.

Formulation, Preparation, and Storage

Purification

Protein G purified

Formulation

50mM Sodium Borate

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

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

Stability & Storage

Store at 4C in the dark.

Background: 2A Peptide

Initially discovered from the foot-and-mouth disease virus (FMDV, a picornavirus), 2A peptide is a self-cleaving peptide 18-22 amino acids long with a conserved C-terminal motif Asp-Val/Ile-Glu-X-Asn-Pro-Gly-Pro. All picornaviruses have 2A peptides but they differ in size and function. The FMDV genome is a single open reading frame encoding a polyprotein and 2A denotes a specific cleavage region within the polyprotein. Co-translational cleavage of the FMDV polyprotein is not mediated by a proteolytic mechanism but rather by "ribosomal skipping" or "StopGO" at the 2A/2B junction. When synthesis terminates at a sense codon, the polypeptide is released before resuming translation at the next codon (1, 2).

Developed for genetic engineering, 2A cleavage has been shown to function in a wide range of eukaryotic cells, and in vivo (3). The 2A peptide is inserted between the coding sequences of at least two genes, enabling the simultaneous expression of multiple proteins from a single plasmid construct. Four variants of 2A peptides have been used in gene expression systems including FMDV 2A (F2A), equine rhinitis A virus 2A (E2A), porcine teschovirus-1 2A (P2A) or Thoseaasigna virus 2A (T2A). Compared to other multi-gene co-expression systems such as IRES, 2A peptides results in stoichiometric expression of different proteins. However, cleaving efficiency and protein expression using the different 2A peptides varies, requiring optimization of polycistronic constructs for experiments.

References

1. Liu Z, Chen O, Wall J, Zheng M, Zhou Y, Wang L, Vaseghi H, Qian L, Liu J. (2017). Systematic comparison of 2A peptides for cloning multi-genes in a polycistronic vector. Scientific Reports. 7. 10.1038/s41598-017-02460-2.

2. Luke GA, Escuin H, Felipe PD, Ryan MD. (2009) 2A to the Fore - Research, Technology and Applications, Biotechnology and Genetic Engineering Reviews. 26(1): 223-260.

3. Markus BM, Bell GW, Lorenzi HA, Lourido S. (2019) Optimizing Systems for Cas9 Expression in Toxoplasma gondii. mSphere. 4(3): e00386-19.

Alternate Names

2A cleavage peptide, 2A peptide, 2A Peptide Antibody, 2A peptide tag, 2A sequence, 2A-like peptide, antibody for 2A-containing recombinant proteins, FMDV 2A-peptide, FMDV 2A-peptide antibody, MDV 2A-peptide, P2A peptide, P2A tagged proteins, peptide 2A sequences, self-cleaving 2A peptide, T2A peptide, T2A tagged proteins, Thosea asigna virus 2A, Thosea asigna virus 2A antibody

Additional 2A Peptide Products

Product Documents for 2A Peptide Antibody (3H4) [Janelia Fluor® 549]

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

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Product Specific Notices for 2A Peptide Antibody (3H4) [Janelia Fluor® 549]

Sold under license from the Howard Hughes Medical Institute, Janelia Research Campus.

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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