>sp|Q6D5U5|RIBA_PECAS GTP cyclohydrolase-2 OS=Pectobacterium atrosepticum GN=ribA MQLKRVAEAKLPTPWGDFLMVGFEEIATGHDHLALVYGDISGSVPVLARVHSECLTGDAL FSLRCDCGFQLEAALGHIAEEGRGVLLYHRQEGRNIGLLNKIRAYALQDLGADTVEANHQ LGFAADERDFTLCADMFKLLDVDEVRLLTNNPQKVKILNEAGINIVERVPLIVGRNPKNE HYLATKAAKMGHILDMK