In the field of molecular biology and immunology research, the gp70 peptide—often referred to as the AH1 peptide—serves as a cornerstone for studying antigen-specific responses. As someone who has spent significant time evaluating various reagents for laboratory workflows, I have found that understanding the structural and functional nuances of this nonamer is essential for successful experimentation.
Defining the gp70 Peptide (AH1)
The AH1 sequence (SPSYVYHQF) is a well-characterized nonmutated nonamer peptide derived from envelope glycoprotein 70 (gp70). This protein originates from the envelope of an endogenous ecotropic murine leukemia virus (MuLV). Because AH1 derives from the envelope pr Product information ; Peptide, SPSYVYHQF ; Allele, H-2 Ld ; Antigen, gp70 ; Category, MuLV ; Price @ 50 tests: On request. otein (gp70), it has become a standard tool for researchers investigating MHC class I-restricted immune recognition.
In my experience, the precision of the peptide synthesis is pa Jun 3, 2020 — Some peptides derived from HIV-1 envelope glycoprotein (Env, gp120-gp41) have been shown to be effective in inhibiting HIV-1 infection. ramount. Most high-quality suppliers provide this sequence at >95% purity, which is critical when using it as an epitope peptide derived from the envelope protein (gp70) in sensitive assays.
Technical Specifications and MHC Binding
The interaction between the peptide and the major histocompatibility complex is a primary focus for many laboratories. The immunodominant major histocompatibility complexclass The AH1 sequence is recognized as a high-affinity binding peptide specifically for the H-2Ld molecule.
* Sequence: SPSYVYHQF
* Classification: Class I MHC restricted epitope
* Biological Context: The GP70423–431, also called the AH1 peptide, is frequently utilized in studies involving CT26 cell lines, which are known to express this endogenous biomarker.
When evaluating peptides for these studies, one must consider the binding affinity. My observations align with existing data that AH1 is a high-affinity binding peptide of H-2Ld, making it an excellent candidate for generating tetramers. These tetramer complexes are invaluable, as they enable researchers to detect and measure the gp70 antigen and associated T-cells at the single-cell level.
Comparative Context: gp70 vs. Other Epitopes
While the gp70-derived AH1 peptide is a standard for murine models, it is often compared to other well-known epitopes. Treating cancer by exploding cancer cells For instance, gp100 (25-33) is a H-2Db restricted epitope used in different melanoma models. Just as gp100 (Met219) is a high quality epitope peptide used for stimulation, the AH1 reagent must be validated for its ability to reflect the nonmutated H-2Ld-restricted peptide antigen derived from gp70 amino acids 423–431.
Practical Applications in the Laboratory
Whether you are using flow cytometry, ELISA, or immunohistochemistry, the quality of your reagents dictates the reliability of your data.
1. Tetramer Staining: Utilizing a gp70-derived AH1 peptide tetramer allows for the tracking of specific immune cells.
2. Antibody Validation: Antibodies that detect Feline Leukemia Virus gp70 or murine variants are often used alongside these peptides to verify the presence of the envelope glycoprotein gp70 in various biological samples.
3. Data Resources: For those looking to verify sequences or protein functions, UniProt re AH1 is an immunodominant MHC class I-restricted nonamer peptide recognized by CD8+ cytotoxic T lymphocytes. AH1 derives from the envelope protein (gp70) of mains the gold standard for accessing comprehensive protein sequence data.
Conclusion
The st env - Envelope glycoprotein gp70 - Mouse mammary tumor udy of the gp70 peptide continues to provide deep insights into how the virus attaches the virus to the host cell by binding to its receptor. By maintaining rigorous standards in selecting product information and high-purity peptides, researchers can consistently achieve reproducible results in their immunological investigations. Whether you are performing basic characterization or complex functional assays, the AH1 peptide (gp70 H2-Ld-restricted epitope) rema env - Envelope glycoprotein gp70 - Mouse mammary tumor ins an indispensable asset in the modern research toolkit.