4.1.1.112 18.4 - acetic acid pH 8.0, 25°C 654328 4.1.1.112 21.4 - malic acid pH 8.0, 25°C 654328 4.1.1.112 28 - phosphoenolpyruvate mitochondrial enzyme 4271 4.1.1.112 198 - NaCl wild type enzyme, pH 6.9 651122