Immunoglobulin lambda variable 4-69 (IGLV4-69)

Immunoglobulin lambda variable 4-69 is the **variable (V) region of the immunoglobulin lambda light chain**, participating in the **antigen recognition site of antibodies**. This domain is produced by B-lymphocytes through V-(D)-J recombination as part of the process that generates the diversity of the antibody repertoire. The variable domain pairs with a variable domain from an immunoglobulin heavy chain to form part of the antigen-binding site, enabling the immune system to detect a vast array of pathogens. The protein is not a receptor, enzyme, or classic drug target, but rather a component of a family of genes encoding immunoglobulin variable regions[1][2][3][4][9]. No drugs are known to selectively target this variable region directly, and it is not regarded as a conventional therapeutic target, though the immunoglobulin molecule as a whole is therapeutically significant in the context of monoclonal antibody therapies. **Notes:** - This is not a standalone therapeutic target, but a variable segment of antibodies[2][9]. - Though disease associations are rarely direct, some genomic studies implicate the locus in conditions such as autism spectrum disorder, likely as correlative genetic markers rather than direct functional links[2].

Other names

IGLV4-69IGLV469V5-6