Anti-Kv9.1 antibodies enable researchers to detect and measure the Kv9.1 antigen in biological samples. This target is a reported synonym of the KCNS1 gene, which encodes potassium voltage-gated channel modifier subfamily S member 1. This protein is known to function in potassium ion transport and the transport of ions, among other biological roles. The human version of Kv9.1 has a canonical amino acid length of 526 residues and a protein mass of 58.4 kilodaltons. It is reported to be localized in the cell membrane of cells. This target antigen may also be known as Kv9.1.