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T cell receptor alpha joining 19 (non-functional) (TRAJ19)

Target: TRAJ19
Molecular classification: Receptor, Other (T cell receptor gene segment)

Overview

T cell receptor alpha joining 19 (TRAJ19) is a non-functional gene segment in the T cell receptor alpha locus that encodes part of the joining (J) region in T cell receptor alpha chain gene rearrangement. While J segments are essential for generating antigen receptor diversity in T cells, the TRAJ19 segment itself is annotated as non-functional, meaning it does not typically contribute to expressed, functional T cell receptors. Therefore, TRAJ19 is not a direct therapeutic target, nor does it encode a standalone receptor or protein, but rather is a genomic sequence involved in T cell receptor gene assembly[1][3][5][7].

Other names: TRAJ19

Biological functions

Immune response (as a component of T cell receptor gene recombination, but not as a functional protein)

Disease associations

Other (no direct disease association; gene segment itself is non-functional)

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