3-(imidazol-5-yl)pyruvate + H2O2 + NH4(+) => D-histidine + O2 + H2O
3-(imidazol-5-yl)pyruvate + h2o2 + nh4(+) => d-histidine + o2 + h2o
3-(imidazol-5-yl)pyruvate + H2O2 + NH4(+) => D-histidine + O2 + H2O
3-(imidazol-5-yl)pyruvate + h2o2 + nh4(+) => d-histidine + o2 + h2o