Positive test controls include: Raji, Jurkat, HeLa, 293T, Mouse brain. The target is usually found in the following locations: Nucleus. Immunogen sequence: MPKVKRSRKA PPDGWELIEP TLDELDQKMR EAETEPHEGK RKVESLWPIF RIHHQKTRYI FDLFYKRKAI SRELYEYCIK EGYADKNLIA