Immunogen sequence: AVEHMFEGEH GSKDEWRGMV LAQAPIMKAW FYITYEKDPV LYMYQLLDDY KEGDLRIMPE SSESPPTERE PGGVVDGLIG KHVEYTKEDG SKRIGMVIHQ VEAKPSV Highest antigen sequence identity to the following orthologs: Mouse - 92%, Rat - 93%. Human SPIN2 expressed by 2 IL3