# OC Root 2nd 3rd 4th PC Gene/Definition OC.166391 Eukaryotes.413647 Protists.33640 Amoebozoa.21095 acan.2493 acan:ACA1_028540 GTP cyclohydrolase I, putative; K01495 GTP cyclohydrolase IA [EC:3.5.4.16]