Immunogen sequence: MLPRLICIND YEQHAKSVLP KSIYDYYRSG ANDEETLADN IAAFSRWKLY PRMLRNVAET DLSTSVLGQR VSMPICVGAT AMQRMAHVDG ELATVRACQS LGTGMMLSSW ATSSIEEVAE AGPEALRWLQ LYIYKDREVT KKLVRQAEKM GYKAIFVTVD TPYLGNRLDD VRNRFKLPPQ LRMKNFETST LSFSPEENFG DDSGLAAYVA KAI