Positive test controls include: 293T. The target is usually found in the following locations: Nucleus. Immunogen sequence: DSNAREFEEE SKQPGVSEQQ RHQLKHRELF LSRQFESLPA THIRGKCSVT LLNETDILSQ YLEKEDCFFY SLVFDPVQKT LLADQGEIRV GCKYQAEIPD RLVEGESDNR NQQKMEMKVW