1.8.2.2 additional information - no definite pH-optimum 394122 1.8.2.2 2.5 - - 724028, 764763 1.8.2.2 3 - - 689730 1.8.2.2 3 - purified enzyme 394126 1.8.2.2 4 - - 724861, 741526 1.8.2.2 4 - substrate ferricyanide 726008 1.8.2.2 4 5 assay at 742887 1.8.2.2 4 6 - 394115 1.8.2.2 4.25 - activity assay 676077 1.8.2.2 4.5 - - 394127