1. Cowan JA (1997) Inorganic biochemistry an introduction. Wiley-VCH, New York
2. Voet D, Voet JG (1995) Biochemistry. Wiley, New York
3. Messerschmidt A, Huber R, Poulos T, Wieghardt K (eds) (2001) Handbook of Metalloproteins, vol 1. Wiley, Chichester
4. Reedy CJ, Gibney BR (2004) Chem Rev 104:617–649
5. Gray HB, Winkler JR (1996) Annu Rev Biochem 65537–65561