# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.166396 Eukaryotes.310392 Animals.132777 Vertebrates.27091 Fishes.43003 tru.17728 tru:101079925 GTP cyclohydrolase 1-like; K01495 GTP cyclohydrolase IA [EC:3.5.4.16]