Immunogen sequence: FSGNNDHFLA INQKKSGKPV FIYKHSQDIE KSLDIAPQKI YRHSYHSSSE AQVSKRHQIV NSAFPRPAYD PSLNLLAMDG QDLEVENLPI PAANVIVVTL QMDVNKLNIT LLRIFRQGVA AALGLLPQQV HINRLIGKKN SIELFVSPIN RKTGISDALP SEEVLRSLNI NVLHQSLSQF GITEVSPEKN VLQGQHEADK IWSKEG Positiv