Positive test controls include: HeLa, HepG2, Mouse spleen, Mouse testis. The target is usually found in the following locations: Cytoplasm. Immunogen sequence: MDLFGDLPEP ERSPRPAAGK EAQKGPLLFD DLPPASSTDS GSGGPLLFDD LPPASSGDSG SLATSISQMV KTEGKGAKRK TSEEEK