4.1.3.43 2-oxobutanoate competitive inhibition 390 4.1.3.43 2-oxopentanoate competitive inhibition 968 4.1.3.43 4-methyl-2-oxopentanoate competitive inhibition 722 4.1.3.43 Cd2+ 56.0% activity at 0.1 mM and 5.4% activity at 1 mM chloride salt 52 4.1.3.43 Co2+ 19.3% activity at 0.1 mM and 18.3% activity at 1 mM chloride salt 23 4.1.3.43 glyoxylate competitive inhibition 101 4.1.3.43 Mg2+ 3.4% activity at 0.1 mM and 14.8% activity at 1 mM chloride salt 6 4.1.3.43 Mn2+ 100% activity at 0.1 mM and 1 mM chloride salt 11 4.1.3.43 Ni2+ 2.6% activity at 0.1 mM and 17.5% activity at 1 mM chloride salt 38 4.1.3.43 oxalate - 185 4.1.3.43 pyruvate competitive inhibition 31