Positive test controls include: MCF7, A-431. The target is usually found in the following locations: Cytoplasm, Nucleus. Immunogen sequence: MAQSTATSPD GGTTFEHLWS SLEPDSTYFD LPQSSRGNNE VVGGTDSSMD VFHLEGMTTS VMAQFNLLSS TMDQMSSRAA SASPYTPEHA ASVPTHSPYA. P7