>sp|Q8ZEF0|RIBA_YERPE GTP cyclohydrolase-2 OS=Yersinia pestis GN=ribA MQLKRVAEAKLPTPWGDFLMVGFEELATGHDHLALIFGDISGDKPVLSRVHSECLTGDAL FSLRCDCGFQLEVALTRIAEEGRGVLIYHRQEGRNIGLLNKIRAYALQDLGADTVEANHQ LGFAADERDFTLCSDMYKLLGIKAVRLLTNNPKKVEILTQAGINIVERVPLIVGENPKNE HYLATKAAKMGHLLTK