Immunogen sequence: MKDSLVLLGR VPAHPDSRCW FLAWNPAGTL LASCGGDRRI RIWGTEGDSW ICKSVLSEGH QRTVRKVAWS PCGNYLASAS FDATTCIWKK NQDDFECVTT LEGHENEVKS VAWAPSGNLL ATCSRDKSVW VWEVDEEDEY ECVSVLNSHT QDVKHVVWHP SQELLASASY DDTVKLYREE EDDWVCCATL EGHESTVWSL AFDPSGQRLA SCS