7.2.2.14 Ca2+ activates 697187 7.2.2.14 Mg2+ - 289130, 289131, 289132, 289133, 289135, 289136, 289137, 289138, 289139, 289141, 289142, 289143, 289144, 289146, 289147 7.2.2.14 Mg2+ a significant part of the selectivity for Mg2+ derives from binding the fully hydrated cation 718877 7.2.2.14 Mg2+ bound between enzyme subunits at a conserved site in the cytoplasmic domain 670379 7.2.2.14 Mg2+ dependent on. The ATPase activity is abolished in absence of ATP and Mg2+ 720402 7.2.2.14 Mg2+ the enzyme is activated when the free Mg2+ concentration is reduced below 0.01 mM 750401 7.2.2.14 additional information no or poor inhibition of CorA by Ca2+, Sr2+, Ba2+, Zn2+, Fe2+, and Fe3+ 686901