# OC Root 2nd 3rd 4th PC Gene/Definition OC.166385 Archaea.37121 Thaumarchaeota.293 Nitrosopumilus.1042 nid.307 nid:NPIRD3C_0299 folE; GTP cyclohydrolase 1; K01495 GTP cyclohydrolase IA [EC:3.5.4.16] OC.166385 Archaea.37121 Thaumarchaeota.293 Nitrosopumilus.1042 nin.56 nin:NADRNF5_0030 folE; GTP cyclohydrolase 1; K01495 GTP cyclohydrolase IA [EC:3.5.4.16] OC.166385 Archaea.37121 Thaumarchaeota.293 Nitrosopumilus.3903 nir.1914 nir:NSED_09815 GTP cyclohydrolase I; K01495 GTP cyclohydrolase IA [EC:3.5.4.16] OC.166385 Archaea.37121 Thaumarchaeota.293 Nitrosopumilus.3934 nmr.48 nmr:Nmar_0038 GTP cyclohydrolase I; K01495 GTP cyclohydrolase IA [EC:3.5.4.16]