Positive test controls include: HeLa, Mouse liver, Rat liver. Immunogen sequence: MSTELFSSTR EEGSSGSGPS FRSNQRKMLN LLLERDTSFT VCPDVPRTPV GKFLGDSANL SILSGGTPKR CLDLSNLSSG EITATQLTTS ADLDETGHLD. M-phase inducer phosphatase 3is an enzyme that in humans is e