>sp|Q8K9D8|QUED_BUCAP 6-carboxy-5,6,7,8-tetrahydropterin synthase OS=Buchnera aphidicola subsp. Schizaphis graminum (strain Sg) OX=198804 GN=queD PE=3 SV=1 MKTIIFKDFQFEAAHYLPYVPKMHKCRRLHGHSFFVRLELKDKINEKNGWIIDYAEIKLA FQPIYDQLDHHFLNDIPGLENPTSEILAKWIWHRLKPKLSILNTIIIKETCTSGCIYQGF