4.1.1.112 Mg2+ required, decarboxylation Km: 0.17 mM, carboxylation Km: 1.85 mM 4263 4.1.1.112 Mn2+ required 4263 4.1.1.112 Mg2+ Km: 1.2 mM, can be substituted by Mn2+ 4269 4.1.1.112 Mn2+ can be substituted by Mg2+, Km: 0.08 mM 4269 4.1.1.112 Mg2+ only cytoplasmic enzyme 4271 4.1.1.112 Mn2+ only cytoplasmic enzyme 4271 4.1.1.112 Co2+ activates 4272, 4273 4.1.1.112 Mg2+ activates 4272, 664936 4.1.1.112 Mn2+ activates 4272 4.1.1.112 Ni2+ activates 4272, 664936