>sp|Q6NVA8|GFRP_XENTR GTP cyclohydrolase 1 feedback regulatory protein OS=Xenopus tropicalis OX=8364 GN=gchfr PE=3 SV=1 MPYVLISTQIRMETGPTIVGDEFSDTQLMAQLEADKRTVLGNNFSEYCVNEPPRVTLNKL EKLGYRVVSMTGVGQTLVWCLHKE