Positive test controls include: 293T. The target is usually found in the following locations: Nucleus. Immunogen sequence: PTLPVEEKKK IPDPDSDDVS EVDARHIIEN AKQDVDDEYG VSQALARGLQ SYYAVAHAVT ERVDKQSALM VNGVLKQYQI KGLEWLVSLY N. Brg1 (Brahma-related gene 1)