N(omega)-(1-hydroxy-2-oxopropyl)-L-arginyl-[protein] => L-arginyl-[protein] + methylglyoxal
n(omega)-(1-hydroxy-2-oxopropyl)-l-arginyl-[protein] => l-arginyl-[protein] + methylglyoxal
N(omega)-(1-hydroxy-2-oxopropyl)-L-arginyl-[protein] => L-arginyl-[protein] + methylglyoxal
n(omega)-(1-hydroxy-2-oxopropyl)-l-arginyl-[protein] => l-arginyl-[protein] + methylglyoxal