>sp|Q8FHU5|RIBA_ECOL6 GTP cyclohydrolase-2 OS=Escherichia coli O6:H1 GN=ribA MQLKRVAEAKLPTPWGDFLMVGFEELATGHDHVALVYGDISGHTPVLARVHSECLTGDAL FSLRCDCGFQLEAALTQIAEEGRGILLYHRQEGRNIGLLNKIRAYALQDQGYDTVEANHQ LGFAADERDFTLCADMFKLLGVNEVRLLTNNPKKVEILTEAGINIIERVPLIVGRNPNNE HYLDTKAEKMGHLLNK