T cell receptor beta variable 7-6 (TRBV7-6)

T cell receptor beta variable 7-6 (TRBV7-6) is a protein segment comprising the variable region of the beta chain of the T cell receptor (TCR), part of the immunoglobulin superfamily, expressed on the surface of T lymphocytes as a heterodimer with a TCR alpha chain[1][5]. The TCR beta variable region confers antigen specificity by binding peptide-major histocompatibility (MHC) complexes on antigen-presenting cells, initiating signaling cascades through CD3 and associated proteins to activate T cells and mediate adaptive immune responses[1][2][5]. TRBV7-6 is specifically generated by somatic V-(D)-J recombination during T cell development and contributes to the diversity and specificity of the T cell repertoire. While not directly addressed by current drugs, TCR beta variable regions, including TRBV7-6, are key components in the monitoring of immune responses and may serve as biomarkers or targets in immunotherapeutic applications, though their highly diverse nature limits direct drug targeting at present[1][5].

Other names

TRBV7-6TRBV76TCRBV6S3A1N1TTCRBV7S6V segment translation product