Immunogen sequence: QTDGRNGYTA VIEVTSGGPW GDWAWPEMCP DGFFASGFSL KVEPPQGIPG DDTALNGIRL HCARGNVLGN THVVESQSGS WGEWSEPL Highest antigen sequence identity to the following orthologs: Mouse - 76%, Rat - 77%. VMO1 (Vitelline Membrane Outer Layer 1 Homolog) is