>sp|A3D367|RIBA_SHEB5 GTP cyclohydrolase-2 OS=Shewanella baltica GN=ribA MSIKYVATSKLPTPWGVFAMHGFEDTESGKEHVALTFGTLSADEPVLGRIHSECLTGDAL FSLRCDCGFQLQAAMQNIAETGSGFILYLRQEGRGIGLLNKIRAYELQDKGANTVEANEQ LGFEADMRKYDMIKPILEQIGVKHVRLMTNNPRKVKAMKEFGIEVVERVPLQVGKNRYNE AYLKTKSTELGHMMSEYHFMDENK