BKCa is a reported alias of the human protein 'potassium calcium-activated channel subfamily M alpha 1', encoded by the gene KCNMA1. Anti-BKCa antibodies are available from several suppliers. The full protein is reported to be 1236 amino acid residues in length. Based on antigen name, there may be fly, canine, porcine, monkey, mouse and rat variants of this protein. See the antibody supplier page for important details, including specific immunogenicity and validated applications.