Immunogen sequence: MDDQGCPRCK TTKYRNPSLK LMVNVCGHTL CESCVDLLFV RGAGNCPECG TPLRKSNFRV QLFEDPTVDK EVEIRKKVLK IYNKREEDFP SLREYNDFLE EVEEIVFNLT NNVDLDNTKK KMEIYQKENK DVIQKNKLKL TREQEELEEA LEVERQENEQ RRLFIQKEEQ LQQILKRKNK QAFLDELESS DLPVALLLAQ HKDRSTQLEM QLE