2d 40KV2D-40 (Immunoglobulin Kappa Variable 2D-40) is a Protein Coding gene. An important paralog of this gene is KV2-28. V region of the variable domain of immunoglobulinClinical resource with information about KV2D-40, and available tests. There are links to practice guides and authoritative resources like GeneReviews, PubMed,