QK3 is a reported alias of the human protein 'QKI, KH domain containing RNA binding', encoded by the gene QKI. Anti-QK3 antibodies are available from several suppliers. The full protein is reported to be 341 amino acid residues in length. Based on antigen name, there may be canine, porcine, monkey and rat variants of this protein. See the antibody supplier page for important details, including specific immunogenicity and validated applications.