# OC Root 2nd 3rd PC Gene/Definition OC.248073 Bacteria.430001 Chloroflexi.3358 atm.2304 atm:ANT_23730 hisB; imidazoleglycerol-phosphate dehydratase; K01693 imidazoleglycerol-phosphate dehydratase [EC:4.2.1.19]