label: ADP-riboxanated L-argininyl-[protein] + NH4(+) + H(+) => ADP-1-deoxy-1,O(4)-didehydro-D-ribose + L-arginyl-[protein]
label_lc: adp-riboxanated l-argininyl-[protein] + nh4(+) + h(+) => adp-1-deoxy-1,o(4)-didehydro-d-ribose + l-arginyl-[protein]