# OC Root 2nd 3rd 4th PC Gene/Definition OC.166401 Eukaryotes.310402 Animals.132773 Echinoderms.6747 spu.12891 spu:580182 GTP cyclohydrolase 1-like; K01495 GTP cyclohydrolase IA [EC:3.5.4.16] OC.166401 Eukaryotes.310402 Animals.132773 Echinoderms.6747 spu.14230 spu:583737 GTP cyclohydrolase 1; K01495 GTP cyclohydrolase IA [EC:3.5.4.16] OC.166401 Eukaryotes.310402 Animals.132773 Echinoderms.6747 aplc.6651 aplc:110980544 GTP cyclohydrolase 1-like; K01495 GTP cyclohydrolase IA [EC:3.5.4.16]