Immunogen sequence: RQEDAYMLDI FHEVLGGTEQ AGFFVWRSNF HEAGEGETEA SLQEGMDRVR DVVRASTFSC Highest antigen sequence identity to the following orthologs: Mouse - 93%, Rat - 95%. HAS1, HAS2 and HAS3 are HA (hyaluronan or hyaluronic acid) synthase proteins. The