hTRT (988-997)

hTRT (988-997) is a synthetic peptide fragment derived from the human telomerase reverse transcriptase (hTERT) protein, corresponding specifically to amino acid residues 988 through 997. As a segment of the catalytic subunit of telomerase, this peptide is of considerable interest in molecular biology and biochemical research, particularly in studies exploring telomerase function, regulation, and its role in cellular aging and proliferation. The defined sequence and structural features of hTRT (988-997) make it a valuable reagent for probing protein-protein interactions, post-translational modifications, and immunological responses associated with the telomerase complex.

Peptide mapping: Researchers employ hTRT (988-997) in peptide mapping experiments to delineate functional domains within the hTERT protein. By using this fragment in binding assays or structural analyses, scientists can investigate how specific regions of hTERT contribute to telomerase assembly, substrate recognition, or enzymatic activity. The precise sequence facilitates high-resolution studies aimed at dissecting the molecular determinants of telomerase regulation and the identification of critical residues involved in its biological function.

Epitope identification: The peptide serves as a defined epitope for generating and characterizing antibodies targeting the C-terminal region of hTERT. In immunological assays, such as ELISA or western blotting, hTRT (988-997) enables the validation of antibody specificity and the development of reagents for detecting endogenous or recombinant telomerase components. Its use in epitope mapping supports the creation of tools essential for telomerase research, including those that distinguish between closely related protein isoforms.

Protein-protein interaction studies: The defined sequence of this peptide fragment allows for detailed examination of interactions between hTERT and its associated cofactors or regulatory proteins. By incorporating hTRT (988-997) into in vitro binding studies, pull-down assays, or surface plasmon resonance experiments, researchers can identify molecular partners that interact with the C-terminal domain of hTERT. Such investigations are crucial for understanding the assembly and regulation of the telomerase holoenzyme in different cellular contexts.

Phosphorylation analysis: As the C-terminal region of hTERT is a target for post-translational modifications, hTRT (988-997) is used to study specific phosphorylation events and their impact on telomerase activity. Synthetic peptides representing this region can be subjected to kinase assays or mass spectrometry to map phosphorylation sites, elucidate regulatory pathways, and assess the functional consequences of these modifications on telomerase stability and localization.

T-cell response research: The hTRT (988-997) peptide is also utilized in immunological studies aimed at characterizing T-cell responses to telomerase-derived epitopes. By presenting this peptide to antigen-presenting cells or using it in T-cell activation assays, researchers can investigate immune recognition of telomerase, which is relevant for understanding cellular immunity in oncology and basic immunology. These applications support the development of immunological models and tools for studying antigen processing and presentation involving telomerase-derived peptides.

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