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. 2000 Jun 6;97(12):6451–6456. doi: 10.1073/pnas.97.12.6451

Table 7.

Activation of the recombinant catalytic domain of 4-diphosphocytidyl-2C-methyl-d-erythritol synthase from A. thaliana by divalent cations

Metal ion Relative activity, %
Mg2+ 100
Ni2+ 91.4
Mn2+ 91.0
Co2+ 60.5
Ca2+ 47.2
Cu2+ 2.3
Zn2+ <0.1