Anti-HOKPP antibodies enable researchers to detect and measure the HOKPP antigen in biological samples. This target is a reported synonym of the KCNE3 gene, which encodes potassium voltage-gated channel subfamily E regulatory subunit 3. This protein is known to function in the transport of ions, among other biological roles. The human version of HOKPP has a canonical amino acid length of 103 residues and a protein mass of 11.7 kilodaltons. It is reported to be localized in the cell membrane and cytoplasm of cells and widely expressed in many tissue types. HOKPP is a member of the Potassium channel KCNE protein family.