Positive test controls include: Jurkat, C6, Mouse brain. Immunogen sequence: LGILLYTMLA GYTPFANGPS DTPEEILTRI GSGKFTLSGG NWNTVSETAK DLVSKMLHVD PHQRLTAKQV LQHPWVTQKD KLPQSQLSHQ DLQLVKGAMA A. This gene encodes a member of the RSK (ribosomal S6 kinase) fami