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Results 1 - 6 of 6
EC Number
Metals/Ions
Commentary
Reference
Ca2+
specifically stimulated by Ca2+
Fe2+
contains two 4Fe-4S clusters
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
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
Mg2+
required for activity
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
Results 1 - 6 of 6