>sp|P51596|GCH1_ONCMY GTP cyclohydrolase 1 OS=Oncorhynchus mykiss GN=gch1 MERSKQSHDNQADSRPTTNESSLNGHFDGLVKKTPGMWDVKGRGTAGESSSHTGSSVVEN WKHERTRSIEDNEMSLPSLAAAYTTIIRGLGKDPQRQGLLKTPWRAATAMQFFTKGYQEK IIDVLNDAILDEDHDEMVIVKDIDMFSMCEHHLVPIFGRVHIGYLPNKRVLGLSKLARIV EIYSRRLQVQERLTKQIAVAITEALQPAGVGVVIEATHMCMVMRG