Immunogen sequence: RSGRGRKLSG DQITLPTTVD YSSVPKQTDV EEWTSWDEDA PTSVKIEGGN GNVATQQNSL EQLEPDYFKD MTPTIRKTQK IVIKKREPLN FGIPDGSTGF SSRLAATQDL PFIHQSSELG DLDTWQENTN AWEEEEDAAW QAEEVLRQQK LADREKRAAE QQRKKMEKEA QRLMKKEQNK IGVKLS; Positive Samples: Mouse kidn