>sp|B1ITH7|RIBA_ECOLC GTP cyclohydrolase-2 OS=Escherichia coli GN=ribA MQLKRVAEAKLPTPWGDFLMVGFEELATGHDHVALVYGDISGHTPVLARVHSECLTGDAL FSLRCDCGFQLEAALTQIAEEGRGILLYHRQEGRNIGLLNKIRAYALQDQGYDTVEANHQ LGFAADERDFTLCADMFKLLGVNEVRLLTNNPKKVEILTEAGINIVERVPLIVGRNPNNE HYLDTKAEKMGHLLNK