3.5.4.6 Ca2+ activates 209700 3.5.4.6 Ca2+ activates erythrocyte AMP deaminase [isoform E (AMPD3)] through a protein-protein interaction between calmodulin and the N-terminal domain of the AMPD3 polypeptide 667661 3.5.4.6 Cs+ activates 209676 3.5.4.6 K+ activates 209676 3.5.4.6 K+ activates AMPD at low concentrations, with maximal activation (1.9fold) at about 80 mM 698016 3.5.4.6 K+ activates at low concentrations of 100-150 mM, in the presence of 100 mM K+ enzyme activity is increased by 1.7fold 686221 3.5.4.6 K+ activity is enhanced by 15% following incubation with 1 mM K+. Maximal activation (about 2fold) at 30 mM K+ 755821 3.5.4.6 K+ stabilizing the enzyme structure 654859 3.5.4.6 KCl 100-150 mM activates 209703 3.5.4.6 KCl stimulates, no stimulation of the trinitrobenzene sulfonic acid-desensitized enzyme due to blockage of the activation anionic site 654807