Immunogen sequence: YRTHLLSRLP IPESQVITIN PELPVEEAAE DYAKKLRQAF QGDSIPVFDL LILGVGPDGH TCSLFPDHPL LQEREQ Highest antigen sequence identity to the following orthologs: Mouse - 87%, Rat - 86%. PGLS belongs to the glucosamine/galactosamine-6-phosphate isomer