Immunogen sequence: MALCEAAGCG SALLWPRLLL FGDSITQFSF QQGGWGASLA DRLVRKCDVL NRGFSGYNTR WAKIILPRLI RKGNSLDIPV AVTIFFGAND SALKDENPKQ HIPLEEYAAN LKSMVQYLKS VDIPENRVIL ITPTPLCETA WEEQCIIQGC KLNRLNSVVG EYANACLQVA QDCGTDVLDL WTLMQDSQDF SSYLSDGLHL SPKGNEFLFS HLW