Immunogen sequence: LHVLGLGVFD RAVCCVGFSK SNGGNLLCAV DESNDHMLSV WDWAKETKVV DVKCSNEAVL VATFHPTDPT VLITCGKSHI YFWTLEGGSL SKRQGLFEKH EKPKYVLCVT FLEGGDVVTG DSGGNLYVWG KGGNRITQAV LGAHDGGVFG LCALRDGTLV SGGGRDRRVV LWGSDYSKLQ EVEVPEDFGP VRTVAEGHGD TLYVGTTRNS ILQ