3.1.3.43 Ca2+ - 94880, 94881, 94883, 94885, 94887, 94888, 94889, 94892, 94895, 94898, 94907, 94911, 94915, 94916, 94919 3.1.3.43 Ca2+ 2 mM required for optimal phosphorylase activity 669622 3.1.3.43 Ca2+ activates, facilitates binding to substrate 649778 3.1.3.43 Ca2+ activation, overview 642159 3.1.3.43 Ca2+ aiding the association of PDP with dihydrolipoyl acetyltransferase 94913 3.1.3.43 Ca2+ cannot overcome inhibition by calmodulin antagonists 94917 3.1.3.43 Ca2+ increase in Mg2+ concentration decreases the Ca2+ concentration needed for half-maximal activation of PDB1 from 3 microM to 1 microM 667592 3.1.3.43 Ca2+ Km: 0.001 94892 3.1.3.43 Ca2+ Km: 0.001-0.003 mM 94891 3.1.3.43 Ca2+ Km: 0.0438 mM, fully phosphorylated pyruvate dehydrogenase complex, Km: 0.0156 mM partially phosphorylated 94890