Immunogen sequence: LDSPGPLDSK ENLENPMRRI HSLPQKLLGC SPALKRSHSD SLDHDIFQLI DPDENKENEA FEFKKPVRPV SRGCLHSHGL QEGKDLFTQR QNSAPARMLS SNERDSSEPG NFIPLFTPQS PVTATLSDED DGFVDLLDGE NLKNEEETPS CMASLWTAPL VMRTTNLDNR CKLFDSPSLC SSSTRSVLKR PERSQEESPP GSTKRRKSMS GAS