Immunogen sequence: VKKVMSIPKGN SALRRVMEET YYHHIYHTVA IEGNTLTLSE IRHILETRYA VPGKSLEEQN EVIGMHAAMK YINTTLVSRI GSVTISD Highest antigen sequence identity to the following orthologs - mouse 97%, rat 93%. Protein that can both mediate the addition of adenosin