>tr|A0AA50KBD6|A0AA50KBD6_9GAMM GTP cyclohydrolase-2 OS=Shewanella oncorhynchi GN=ribA MSIKYVATSKLPTPWGVFAMHGFEDTESGKEHVALTFGTLSADEPVLGRIHSECLTGDAL FSLRCDCGFQLQAAMQNIAETGSGFILYLRQEGRGIGLLNKIRAYELQDKGANTVEANEQ LGFEADMRKYDMIKPMLEQIGVKHVRLMTNNPRKVKAMKEFGIEVVERVPLQVGKNRYNE AYLKTKSTELGHMMSEYHFMDENK