Positive test controls include: 293T, BT-474. The target is usually found in the following locations: Nucleus. Immunogen sequence: SSLASPDLKM GNLQNSPVNM NPPPLSKMGS LDSKDCFGLY GEPSEGTTGQ AESSCHPGEQ KETNDPNLPP AVSSERADGQ SRLHDSKGQT KLLQLLTTKS DQMEPSPLAS SL