Immunogen sequence: DSPGMCGYDL YENDNAAWDY DNGIYSTQMY TQRVQQILAS HNPTKPIFLY IAYQAVHSPL QAPGRYFEHY RSIININRRR YAAMLSCLDE AINNV Highest antigen sequence identity to the following orthologs: Mouse - 94%, Rat - 55%. ARSJ is a sulfatase that hydrolyzes sulfate