Immunogen sequence: GGSVKDRISL RMIEDAERDG TLKPGDTIIE PTSGNTGIGL ALAAAVRGYR CIIVMPEKMS SEKVDVLRAL GAEIVRTPTN ARFDSPESHV GVAWRLKNEI PNSHILDQYR NASNPLAHYD TTADEILQQC DGKLDMLVAS VGTGGTITGI GAPHR Highest antigen sequence identity to the following orthologs: M