Immunogen sequence: DEPPTQNQSD LLNKKVICKQ DLECLAFTKL SETSRMETFS PAVGNRIDVM GGSEEEFMKI LDHLEVSCNK PSTNKTMLWN SFQISSGISS KSFKDNDFGI LHETLPEEVG HLSFNSSSSS EANFKLEPNS PMHGGTLLED VVGGRQTTPE SDFNLQALRS RYEALKKSLS KKREESYLSN SQTPERHKPE LSPTPQNVQT DDTLNFLDTC DLH