Heat shock-related 70 kDa protein 2 (286-295)

Heat shock-related 70 kDa protein 2 (286-295) is a synthetic peptide fragment derived from the highly conserved HSP70 family, specifically corresponding to amino acids 286 through 295 of the HSPA2 isoform. As a peptide compound, it represents a functionally relevant region of the chaperone protein, which is crucial for cellular homeostasis and protein quality control under stressful physiological conditions. The sequence is of significant interest for researchers investigating the molecular mechanisms of protein folding, cellular stress responses, and the modulation of chaperone-mediated processes. Its defined structure and origin make it a valuable tool for dissecting the specific roles of HSP70 family members in various biochemical and cell biological contexts.

Peptide mapping and epitope characterization: The 286-295 fragment of HSPA2 is frequently utilized in studies aiming to identify and characterize linear epitopes within the HSP70 family. By employing this peptide in immunological assays, researchers can map antibody-binding sites and investigate immune recognition patterns, which are critical for understanding autoimmunity, vaccine design, or the development of diagnostic reagents targeting heat shock proteins. Its defined sequence enables precise analysis of antigenic determinants and cross-reactivity among related chaperone proteins.

Protein-protein interaction studies: As a representative segment of the HSP70 molecular chaperone, this peptide serves as a model substrate for investigating specific binding interactions with co-chaperones, client proteins, or regulatory factors. Researchers use it in binding assays, surface plasmon resonance, or pull-down experiments to elucidate the molecular determinants of chaperone-client specificity and to probe the mechanisms underlying protein folding assistance, aggregation prevention, and cellular stress adaptation.

Peptide-based inhibitor screening: The Heat shock-related 70 kDa protein 2 (286-295) peptide is a valuable reagent for screening and characterizing small molecules or biological agents that modulate chaperone activity. By incorporating this sequence into in vitro assays, scientists can evaluate the inhibitory potential of compounds targeting HSP70 interactions, facilitating the discovery of novel modulators for basic research or potential industrial applications where protein quality control is of interest.

Cell signaling and stress response research: The defined peptide fragment provides a controlled means to study the downstream effects of HSP70-derived sequences on cellular signaling pathways. When introduced into cell-based systems, it can be used to assess its impact on stress-induced signaling cascades, apoptosis regulation, or the expression of heat shock response elements. Such studies contribute to a deeper understanding of how specific HSP70 regions influence cellular resilience and adaptation mechanisms.

Analytical assay development: The synthetic nature and sequence specificity of the 286-295 HSPA2 peptide make it an ideal standard or reference material in the development and validation of analytical methods. It can be employed in quantitative mass spectrometry, ELISA calibration, or as a positive control in peptide-based detection platforms, ensuring accuracy and reproducibility in the measurement of heat shock protein-derived sequences across diverse experimental setups.

1. The effect of sex on immune responses to a homocitrullinated peptide in the DR4-transgenic mouse model of Rheumatoid Arthritis

2. Genetic, cellular, and structural characterization of the membrane potential-dependent cell-penetrating peptide translocation pore

3. A possible role of tachykinin-related peptide on an immune system activity of mealworm beetle, Tenebrio molitor L

4. Application of human liver organoids as a patient-derived primary model for HBV infection and related hepatocellular carcinoma

5. Adipose tissue is a key organ for the beneficial effects of GLP-2 metabolic function