Immunogen sequence: MLRALSRLGA GTPCRPRAPL VLPARGRKTR HDPLAKSKIE RVNMPPAVDP AEFFVLMERY QHYRQTVRAL RMEFVSEVQR KVHEARAGVL AERKALKDAA EHRELMAWNQ AENRRLHELR IARLRQEERE QEQRQALEQA RKAEEVQAWA QRKEREVLQL QEEVKNFITR ENLEARVEAA LDSRKNYNWA ITREGLVVRP QRRDS. Mammali