EC Number |
Metals/Ions |
Reference |
---|
1.3.3.3 | Ca2+ |
50% activation of anaerobic enzyme at 5 mM |
390974 |
1.3.3.3 | Co2+ |
activation up to 0.1 mM, beyond inhibitory |
390978 |
1.3.3.3 | Co2+ |
optimal activation only for anaerobic enzyme at 0.1 mM |
390974 |
1.3.3.3 | Cu2+ |
0.06 atom per enzyme |
390949 |
1.3.3.3 | Cu2+ |
1.05 atoms per enzyme |
390949, 390953 |
1.3.3.3 | Cu2+ |
about 0.03 mol per mol of polypeptide for both enzyme forms |
655624 |
1.3.3.3 | Fe2+ |
0.07-0.14 atom per enzyme |
390949 |
1.3.3.3 | Fe2+ |
0.09-1.25 mol per mol of polypeptide for the recombinant wild-type enzyme, 0.2 mol per mol of polypeptide for the selenomethionine-labeled variant |
655624 |
1.3.3.3 | Fe2+ |
2 atoms per native molecule |
390960 |
1.3.3.3 | Fe2+ |
enhanced activity by increasing concentrations up to 0.5 mM, beyond inhibitory |
390978 |