Immunogen sequence: NTLTSICEKV IVPNMEFRAA DEEAFEDNSE EYIRRDLEGS DIDTRRRAAC DLVRGLCKFF EGPVTGIFSG YVNSMLQEYA KNPSVNWKHK DAA. Proteins that carry a nuclear localization signal (NLS) are transported into the nucleus by the importin-alpha/beta heterodimer. I