4.1.99.5	Fe2+	di-iron enzyme, Moessbauer spectrum of the cofactor during the reaction steps, coordinations of the different cofactor states, e.g. the peroxo-Fe2 III/III intermediate, Fe2 III/III peroxyhemiacetal complex, or a micro-oxo-Fe2 III/III cluster, detailed overview	727690	
4.1.99.5	Fe2+	essential, di-iron center	747074	
4.1.99.5	Fe2+	nonheme di-iron center	748032	
4.1.99.5	Fe2+	nonheme-diiron enzyme	748027	
4.1.99.5	additional information	probably a metalloenzyme	648391, 648392, 648393