Immunogen sequence: MSKRGRGGSS GAKFRISLGL PVGAVINCAD NTGAKNLYII SVKGIKGRLN RLPAAGVGDM VMATVKKGKP ELRKKVHPAV VIRQRKSYRR KDGVFLYFED NAGVIVNNKG EMKGSAITGP VAKECADLWP RIASNAGSIA. This gene encodes a ubiquitously expressed nuclear protein which belongs to a h