4.99.1.9 additional information - additional information Michaelis-Menten kinetics 4.99.1.9 additional information - additional information steady-state kinetics of wild-type and mutant enzymes, overview 4.99.1.9 0.00028 - Fe2+ pH 7.0, 25°C, recombinant enzyme 4.99.1.9 0.0018 - coproporphyrin III pH 7.5, 37°C 4.99.1.9 0.008 - protoporphyrin IX pH 7.2, 30°C. The Km-value for protoporphyrin IX is the same independent of whether Zn2+ or Fe2+ is used in the reaction 4.99.1.9 0.0105 - coproporphyrin III pH 7.5, 37°C 4.99.1.9 0.017 - Zn2+ pH 7.2, 30°C 4.99.1.9 0.17 - Cu2+ pH 7.2, 30°C