Immunoglobulin kappa variable 3-25 (IGKV3-25)

Immunoglobulin kappa variable 3-25 is a variable region segment of the immunoglobulin kappa light chain gene family. It encodes the antigen-binding portion of the light chain of antibodies, created through V(D)J recombination in B cells, and is critical for the diversity of antigen recognition in humoral immunity[1][3]. IGKV3-25 is not a receptor, enzyme, or direct therapeutic target; rather, it is a genetic element whose products are components of antibodies produced by B lymphocytes. Variable segments like IGKV3-25 are important in research for understanding immune diversity and antibody repertoire, but they are not considered stand-alone therapeutic targets[1][3][4]. If you intended a full-length immunoglobulin (antibody) as a therapeutic target (e.g., CD20, PD-1), please specify further, as variable regions are subcomponents—not themselves drug or biologic targets.

Other names

IGKV3-25Immunoglobulin kappa variable region 3-25