# OC Root 2nd 3rd 4th PC Gene/Definition OC.337402 Bacteria.410589 Bacteroidetes.35209 Aquimarina.5542 aqb.4208 aqb:D1818_21860 GTP cyclohydrolase; K14652 3,4-dihydroxy 2-butanone 4-phosphate synthase / GTP cyclohydrolase II [EC:4.1.99.12 3.5.4.25]