Immunoglobulin kappa variable 3-11 (IGKV3-11)

Immunoglobulin kappa variable 3-11 (IGKV3-11) is a **variable region gene segment** encoding part of the kappa light chain of immunoglobulins (antibodies) in humans[3][5]. The variable region (V) participates in forming the antigen recognition site of antibodies, contributing to their specificity and diversity through somatic recombination (V-(D)-J rearrangement) and somatic hypermutation[1]. IGKV3-11 serves as one of many variable gene segments recombined during B cell development, determining the antigen specificity of kappa light chain-containing antibodies[5][3]. While IGKV3-11 itself is not a druggable “target” like a receptor or enzyme, its sequence features and usage can be relevant in antibody engineering, diagnostics (such as minimal residual disease tracking in B cell lymphomas), and as a molecular fingerprint in immunopathology and immune repertoire studies[3][2]. Some studies investigate IGKV3 gene family members as potential immunogens or vaccine candidates in B cell malignancies, but IGKV3-11 specifically is not commonly targeted by drugs or therapeutics[4].

Other names

Immunoglobulin kappa variable 3-11IGKV3-11Ig kappa chain V-III region VGIGKV311L6