Immunogen sequence: MKTKFCTGGE AEPSPLGLLL SCGSGSAAPA PGVGQQRDAA SDLESKQLGG QQPPLALPPP PPLPLPLPLP QPPPPQPPAD EQPEPRTRRR AYLWCKEFLP GAWRGLREDE FHISVIRGGL SNMLFQCSLP DTTATLGDEP RKVLLRLYGA ILQMRSCNKE GSEQAQKENE. The major pathway for the biosynthesis of phos