2.4.1.13 Ca2+ 20 mM, 2.5fold stimulation 659541 2.4.1.13 Ca2+ activation of sucrose synthesis 488541, 488555, 488562 2.4.1.13 Ca2+ inhibition 488539, 488541, 488562 2.4.1.13 Ca2+ slight activation of sucrose cleavage at 10 mM 488555 2.4.1.13 Mg2+ - 706347, 706739, 706741 2.4.1.13 Mg2+ 1 mM used in assay conditions 756724 2.4.1.13 Mg2+ 10 mM used in assay conditions 755754, 756999 2.4.1.13 Mg2+ 13 mM used in assay conditions 756258 2.4.1.13 Mg2+ 14 mM used in assay conditions 757492 2.4.1.13 Mg2+ 20 mM, 3fold stimulation 659541