>sp|B8EF62|RIBA_SHEB2 GTP cyclohydrolase-2 OS=Shewanella baltica GN=ribA MSIKYVATSKLPTPWGVFAMHGFEDTESGKEHVALTFGTLSADEPVLGRIHSECLTGDAL FSLRCDCGFQLQAAMQNIAETGSGFILYLRQEGRGIGLLNKIRAYELQDKGANTVEANEQ LGFEADMRKYDMIKPMLEQIGVKHVRLMTNNPRKVKAMKEFGIEVVERVPLQVGKNRYNE AYLKTKSTELGHMMSEYHFMDENK