Positive test controls include: 22Rv1, U-251MG, MCF7. The target is usually found in the following locations: Cytoplasm, Nucleus. Immunogen sequence: MSRSNRQKEY KCGDLVFAKM KGYPHWPARI DEMPEAAVKS TANKYQVFFF GTHETAFLGP KDLFPYEESK EKFGKPNKRK GFSEGLWEIE NNPTV