In the field of immunology and virology research, the CMV NLV peptide stands out as a foundational tool for laboratory analysis. Often referred to by its full sequence, NLVPMVATV, this specific CMV peptide is a critical component for scientists working with CMV pp65, a major tegument protein of the cytomegalovirus. Whether you are conducting basic research or developing advanced diagnostic assays, understanding the nuances of this epitope is essential.
Characteristics of the CMV NLV Peptide
The native Cytomegalovirus peptide CMV pp65is a major tegument protein and an immunodominant antigen extensively studied by scientists in virology and immunology. (NLV) is an immunodominant epitope primarily known for its interaction with the HLA-A*0201 allele. As a single peptide (NLVPMVATV), it has a molecular weight of approximately 942.80 Da. Its primary utility in a controlled laboratory setting is the stimulation of antigen-specific T cells.
Researchers often rely on this NLV peptide because it provides a highly reproducible benchmark. When compared to a lyophilized mixture of 138 peptides—such as those found in a PepTivator CMV pp65 pool—the singular NLV sequence allows for precise, targeted observation of immune responses. While peptide pools are excellent for screening the entire CMV pp65 protein, the singular NLV sequence is the gold standard for high-specificity assays.
Applica Cytomegalovirus (CMV) infection - Symptoms & causes - Mayo Clinic tions in Laboratory Assays
The NLVPMVATV peptide is frequently utilized in several high-sensitivity applications:
* T-Cell Stimulation: It is widely used to activate CD8+ T cells in vitro. This process helps researchers quantify the presence of reactive cells in both CMVneg and CMVpos donor samples.
* MHC Tetramer and MACSimers: Peptide-loaded MHC MACSimers and tetramers ut CEF20 ilize this sequence to identify and isolate antigen-specific T cells wi PE-Labeled Human HLA-A*02:01&B2M&CMV pp65 th high precision.
* Control Standards: The CEF20 peptide pool, which includes the CEF20, Cytomegalovirus, CMV pp65 (495-503) sequence, serves as a vital control in many benchtop experiments. It ensures that the experimental environment reliably supports the detection of CMV-specific responses.
* Vaccine Development: While we focus on laboratory research, it is worth noting that specific sequences, such as the CMV pp65 (415-429) (HLA-B7) or the NLV sequence itself, are frequently studied for their potential utility in future peptide-based vaccines.
Technical Considerations for Researchers
When sourcing these materials, quality control is paramount. Many researchers utilize the Antigen Peptide CMV pp65 - HLA-A*0201 (NLVPMVATV) to ensure compatibility with standardized protocols. Because this peptide is designed to mimic the natural presentation by MHC class I molecules, it is an indispensable ogen (antigenic) tool in modern immunology labs.
Furthermore, when analyzing data from CMV pp65 peptides (NLV/TPR), researchers must account for the spe Peptidfragment (NLVPMVATV) zur Stimulation von humanenCMVspezifischen CD8+ T-Zellen. Die Peptidsequenz entspricht der vom MHC class I HLA-A*0201 Allel cific HLA restriction of their samples. Because the NLV peptide is HLA-A*0201-restricted, it can stimulate human CMV-specific CD8+ T-cells only in the presence of the corresponding MHC molecule. This biological specificity is why it is use The Human HLA-A*0201 CMV (NLVPMVATV) complex protein is a complex of HLA-A*0201 of the MHC Class I, B2M, andNLVPMVATV peptideof the CMV. Product List Read more d in recombinant vaccinia virus studies and other sophisticated viral vector experiments.
Personal Review and Best Practices
From my experience working with these reagents, the consistency of the NLV sequence is its greatest asset. When performing ELISPOT or intracellular by PJ Hanley·2015·Cited by 125—To determine whether this result was unique toNLV, we compared thepeptiderepertoires of pp65-specific T-cells from HLA-A2 adultCMVnegandCMVposdonors Read more cytokine staining (ICS), the purity of the peptide is the most significant variable. Utilizing batches that have been independently verified for sequence integrity ensures that the stimulation of antigen-specific T cells remains consistent across multiple experiment runs.
For those managing large-scale screenings, comparing results between different donor cohorts—specifically looking at how CMVpos donors react to the peptide compared to CMVneg controls—provides a clear picture of the assay's sensitivity. Always store your lyophilized peptides at the recommended temperatures to maintain structural stability, and verify the batch-specific molecular weight provided in the data sheet before calculating your concentration for stimulation assays.
By integrating these standardized pe CEF20, Cytomegalovirus, CMV pp65 (495-503) - 1 mg ptides into your workflow, you maintain the high level of rigor required for modern immunological investigation, ensuring that every result is both verifiable and reproducible.