label: N(omega)-(1-hydroxy-2-oxoethyl)-L-arginyl-[protein] + H2O <=> L-arginyl-[protein] + glycolate + H(+)
label_lc: n(omega)-(1-hydroxy-2-oxoethyl)-l-arginyl-[protein] + h2o <=> l-arginyl-[protein] + glycolate + h(+)