EC Number |
Metals/Ions |
Reference |
---|
1.3.1.33 | Ca2+ |
specifically stimulated by Ca2+ |
393849 |
1.3.1.33 | Fe2+ |
contains two 4Fe-4S clusters |
686758 |
1.3.1.33 | Iron |
enzyme component L-protein contains an oxygen-sensitive 4Fe-4S cluster similar to nitrogenase Fe protein. Activity quickly disappears upon exposure to air with a half-life of 20 s |
673673 |
1.3.1.33 | Mg2+ |
removal of Mg2+ from the protochlorophyllide leads to inactivity of the compound as a substrate, activity can be restored by replacing the magnesium with zinc, whereas nickel, copper or cobalt fail to restore substrate activity |
393834, 393859 |
1.3.1.33 | Mg2+ |
required for activity |
686758 |
1.3.1.33 | Zn2+ |
removal of Mg2+ from the protochlorophyllide leads to inactivity of the compound as a substrate, activity can be restored by replacing the magnesium with zinc, whereas nickel, copper or cobalt fail to restore substrate activity |
393834, 393859 |