Immunogen sequence: KGDWNLSPDA ENSREILSRC CALEPSLHGA CNIREKVGLR PYRPGVRLQT ELLARDGQRL PVVHHYGHGS GGISVHWGTA LEAARLVSEC VHALR Highest antigen sequence identity to the following orthologs: Mouse - 78%, Rat - 82%. DDO is a peroxisomal flavoprotein that cata