2.7.7.60 Co2+ - 692926 2.7.7.60 Co2+ catalytically active with 393244 2.7.7.60 divalent cation metal-dependent enzymatic activity 692926 2.7.7.60 Fe2+ - 692926 2.7.7.60 Mg2+ - 393242, 393244, 661089, 705229 2.7.7.60 Mg2+ absolute requirement of divalent metal ions like Ni2+, Mn2+, Co2+, Ca2+, Cu2+ and Zn2+ for catalytic acitvity, maximum activity with Mg2+ 393242 2.7.7.60 Mg2+ catalytically active with 393244 2.7.7.60 Mg2+ essential for activity 393240 2.7.7.60 Mg2+ preferred 692926 2.7.7.60 Mg2+ preferred cation 726274