In 2x HA tag peptideis often used to be fused to the 5' end of the target proteinto label the protein. For research use only. We do not sell to patients. Custom Read more the realm of biochemical research, the precision of protein expression analysis often hinges on the quality of reagents utilized for tagging and purification. Among the various tools available to researchers, HA peptide MCE (MedChemExpress) has become a staple for those focusing on epitope tagging Influenza Virus · Inflammation/Immunology.HA Peptide(HA tag) is a nine amino acids peptide derived from the human influenza hemagglutinin (HA).Read more applications. As someone who frequently interacts with high-purity biochemical reagents, I have found that understanding the specific properties of these peptides is essential for successful experimental outcomes.
Defining the HA Peptide
The HA peptide is a nine-amino-acid sequence derived from the human influenza hemagglutinin (HA) protein. This specific sequence, NH2-YPYDVPDYA-COOH, is widely recognized as a highly immunoreactive tag. In laboratory settings, it is often used to be fused to the 5' end of the target protein to label the protein for tracking or isolation. Because the HA peptide is responsible for attaching the virus to cell receptors, its high affinity for specific monoclonal antibodies makes it an ideal candidate for epitope tagging.
Research Applications and Functional Utility
When integrating these tools into a workflow, it is important to distinguish between the standard HA tag and more advanced versions. For instance, the 3X HA Tag is a biological active peptide that provides increased sensitivity for detection in downstream processes.
My personal experience with MCE reagents suggests that they provide a reliable standard for immunoprecipitation (IP) of specific HA-tagged proteins. Whether you are working with bacterial or mammalian cell lysates, the ability to utilize an Anti-HA Affinity Gel or Magnetic Beads to recognize C and N-terminal HA tagged fusion proteins is a significant advantage. These tools allow for the separation of tagged proteins from cell culture supernatants under neutral pH, preserving the integrity of the sample.
Expanding the Toolkit: Beyond the Standard Tag
The landscape of peptide research extends well beyond simple tagging. MCE provides thousands of inhibitors, modulators, and agonists that complement the use of HA tags:
* HA2 Peptide: This is a potent pH-responsive fusogenic peptide derived from hemagglutinin. It is frequently s HA Peptide tudied in the context of delivery systems.
* TAT-HA2 Fusion Peptide: A sophisticated delivery agent that merges the cell-penetrating capabilities of TAT with the pH-sensitive nature of the HA2 peptide.
* Specialized Derivatives: For researchers interested in skin research, a skin penetrating peptide (such as the SPACE peptide) facilitates the delivery of molecules, demonstrating the breadth of the MCE catalog.
Technical Considerations for Researchers
When sourcing these materials, it is valuable to note that MCE offers a comprehensive Influenza Virus · Inflammation/Immunology.HA Peptide(HA tag) is a nine amino acids peptide derived from the human influenza hemagglutinin (HA).Read more collection of 2,443 p MedChemExpress (MCE) offers a comprehensive collection of tag peptides, amino acid Tag peptides includecommon tags such as HA,. FLAG, and c-Myc peptide.Read more eptides. This includes common tags such as HA, FLAG, and c-Myc peptide. For those per Peptide Library forming kinase studies, it is worth noting that compounds like HA-100 dihydrochloride inhibits MLC-kinase and PKC competitively, which is a different functional category than the HA tag peptide itself. Always verify the catalog numbers and structural specifications—such as the NH2-YPYDVPDYA-COOH sequence—to ensure compatibility with your monoclonal antibodies (like clone 12CA5).
Final Thoughts on Quality and Selection
The effectiveness of any biochemical assay depends on the purity of the synthetic peptide. Whether you are looking for an analytical standard or a reagent for large-scale purification, selecting a high-quality supplier is paramount. MCE remains a go-to for many in the field because they offer a consistent, high-purity product that facilitates the functional analysis of proteins.
By leveraging the spec MedChemExpress (MCE) offers a wide range of high-quality research chemicals and biochemicals for scientific use. ific immunoreactivity of the HA tag and combining it with the robust purification tools available, researchers can achieve high-fidelity results in their protein expression and loc HA Peptide alization studies. Always ensure that the peptide chosen aligns with your specific experimental requirements, whether it involves simple fusion labeling or complex pH-responsive delivery systems.