Immunogen sequence: KLVIQLKESF GGSSEIVDQL EVEIRNMTLL VEKLETLDKN NVLAIRREIV ALKTKLKECE ASKDQNTPVV HPPPTPGSCG HGGVVN. OLFM4 is a 510 amino acid extracellular matrix glycoprotein belonging to the olfactomedin-related protein family and found to be selective