Immunogen sequence: LAEYTADVDG VGTLRLLDAV KTCGLINSVK FYQASTSELY GKVQEIPQKE TTPFYPRSPY GAAKLYAYWI VVNFREAYNL FAVNGILFNH ESPRRGAN Highest antigen sequence identity to the following orthologs: Mouse - 99%, Rat - 99%. Catalyzes the conversion of GDP-D-mannos