>sp|Q19980|GCH1_CAEEL GTP cyclohydrolase 1 OS=Caenorhabditis elegans GN=cat-4 MSRIENESGFLSSDAASVGSEDDKVEMKKRNGTIPKEDHLKSMCNAYQSIIQHVGEDINR QGLLKTPERAAKAMMAFTKGYDDQLDELLNEAVFDEDHDEMVIVKDIEMFSLCEHHLVPF MGKVHIGYIPNKKVLGLSKLARIVEMFSRRLQVQERLTKQIATAMVQAVQPSGVAVVIEA SHMCMVMRGVQKINASTTTSCMLGVFRDDPKTREEFLNLINKR