In the field of molecular biology and protein biochemistry, the myc peptide stands as a cornerstone tool for The c-Myc Peptide is asynthetic peptide with an amino acid sequencethat corresponds to the amino acids 410-419 of the C-terminal of human c-myc.Read more researchers engaged in the characterization of fusion proteins. My personal experience with these biochemical reagents has shown th The peptideis useful for competing out anti-c-Myc antibody bindingto c-Myc-tagged fusion proteins in immunoassays. The successful inhibition of antibody.Read more at they are indisp Human c-Myc peptide (ab166837) ensable for those working with epitope tagging systems. Whether you are dealing with a standard c-Myc peptide or a specialized variant, understanding the biochemical properties of this polypeptide p c-Myc Peptide lyophilized powder rotein tag is essential for successful experimental outcomes.
The Foundation: What is the Myc Peptide?
At its core, the Myc-tag is a peptide tag derived from the c-Myc protein. It is widely recognized for its high immunoreactivity and specificity. The standard sequence, often represented as EQKLISEEDL, corresponds to the C-terminal amino acids (410-419) of the human c-myc protein. This 10-residue peptide sequence is small enough that it rarely interferes with the folding or function of the target protein to which it is attached.
When I first began using these in my research workflows, I found that the c-Myc peptide is a synthetic peptide with an amino acid sequence that allows for robust detection. Many commercial versions, such as the c-Myc Peptide (TFA), are provided as lyophilized powders, offering high purity and stability for long-term storage in a laboratory setting.
Mechanism and Practical Utility
The primary utility of the myc peptide lies in its role in affinity purification and immunoassay validation. Because the c-Myc is a key regulator of cell growth in theoretical biological models, its structural identity is well-mapped, making it a reliable tool for biotechnology:
* Competitive Elution: One of the most common uses I have encountered is that Myc peptide can be used to competitively elute Myc-tagged fusion proteins from immobilized anti-Myc magnetic beads or resins, such as the Thermo Scientific Pierce Anti-c-Myc Agarose.
* Blocking Applications: These c-Myc Tag peptides are substitutes for c-Myc fusion proteins. It is used to competitively bind anti-c-Myc antibodies in immunoassay assay.Read more peptide usually contains the epitope recognized by the antibody. Consequently, it is highly effective at competing out anti-c-Myc antibody binding, which is crucial for verifying t c-Myc Peptideis a useful for displacement of c-Myc-tagged fusion proteins bound to anti-c-Myc antibodies in immunoassays. The successful inhibition of Read more he specificity of Western blots or immunoprecipitation results.
* Structural Specificity: The Myc tag monoclonal antibody 9E10 is the gold standard for recognizing this epitope. However, it is important to note that the binding efficacy can be influenced by the surrounding sequence context.
Technical Parameters and Experimental Considerations
When sourcing these materials, you will often see technical details like a molecular weight of 1203.32Da. This precision is vital for calculating molar concentrations when performing inhibition assays. In my experience, the choice between a standard synthetic peptide and advanced iterations, such as IDP-121, a stapled peptide specifically designed to target c-MYC protein, depends entirely on whether your goal is simple protein detection or more complex conformational studies.
For those conducting co-immunoprecipitation, tools like the ChromoTek Myc-Trap® have streamlined the process, but the foundational princ What is the difference between Myc and c-Myc tag proteins? iple remains the same: the c-Myc tag is a c-Myc-tag synthetic peptide small, immunoreactive peptide tag that bridges the gap between protein expression and analytical clarity.
Integrating Myc Peptide into Research
Whether you are exploring the c-Myc, the product of the c-myc proto-oncogene, or simply need a reliable c-Myc Tag peptide as a substitute for c-Myc fusion proteins, the consistency of your results will depend on the quality of the peptide used.
For beginners in the lab, it is helpful to remember that human c-Myc peptide is primarily a research tool. It is not intended for human use or therapeutic intervention. The c-Myc-tag is a powerful identification marker that allows us to track proteins with high precision. By focusing on the transcription factor that binds DNA in a non-specific manner, scientists continue to refine how we utilize these tags to advance our understanding of cellular protein dynamics.
As you explore options for your next project, remember that the myc tag system remains one of the most cost-effective and reliable methods for protein characterization, provided you maintain rigorous control over your binding and elution conditions.