# OC Root 2nd 3rd 4th PC Gene/Definition OC.337408 Bacteria.1244878 Spirochaetes.32647 - slr.530 slr:L21SP2_0510 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II; K01497 GTP cyclohydrolase II [EC:3.5.4.25] OC.337409 Bacteria.666062 Actinobacteria.248948 Streptomyces.95494 sdv.7921 sdv:BN159_7984 ribA7; GTP cyclohydrolase-2; K14652 3,4-dihydroxy 2-butanone 4-phosphate synthase / GTP cyclohydrolase II [EC:4.1.99.12 3.5.4.25]