>sp|Q66AI6|RIBA_YERPS GTP cyclohydrolase-2 OS=Yersinia pseudotuberculosis serotype I GN=ribA MQLKRVAEAKLPTPWGDFLMVGFEELATGHDHLALIFGDISGDKPVLSRVHSECLTGDAL FSLRCDCGFQLEVALTRIAEEGRGVLIYHRQEGRNIGLLNKIRAYALQDLGADTVEANHQ LGFAADERDFTLCSDMYKLLGIKAVRLLTNNPKKVEILTQAGINIVERVPLIVGENPKNE HYLATKAAKMGHLLTK