T cell receptor alpha joining 49 (TRAJ49)

TRAJ49 (T cell receptor alpha joining 49) is a gene segment in the human T cell receptor alpha (TRA) locus, coding for one of the joining (J) regions used in the recombination process during T cell receptor (TCR) alpha chain assembly. The TCR complex is critical for immune recognition of peptide antigens presented by MHC molecules on antigen-presenting cells. TRAJ49 does not encode a standalone protein but instead, contributes one of the potential J segments that can be chosen when TCR alpha chain genes rearrange in developing T cells, generating the diverse antigen specificity required for immune defense[1][3][7]. TRAJ49 is not a drug target on its own but is important for normal T cell function and immune diversity. Variation in the usage of such J segments can be assessed in studies of TCR repertoire but is not directly targeted therapeutically or used as a biomarker[1][7]. Note: TRAJ49, as per nomenclature and genomic databases, is a joining gene segment (not a full protein) within the T cell receptor alpha locus, fundamental for TCR diversity but not a direct therapeutic target or biomarker[1][7].

Other names

TRAJ49T-cell receptor alpha joining 49

Not applicable (TRAJ49 is a gene segment and not a distinct druggable protein)