Anti-IGKV1D-16 antibodies are used in the immunodetection of the protein immunoglobulin kappa variable 1D-16. In humans, the canonical protein has a reported length of 117 amino acid residues and a mass of 12.7 kDa. Its subcellular localization is in the cell membrane and is secreted. IGKV1D-16 is known to be involved with adaptive immune responses.