>sp|A3QFR4|RIBA_SHELP GTP cyclohydrolase-2 OS=Shewanella loihica GN=ribA MSIKYVATSKLPTPWGVFAMHGFEDTETGKEHVALTFGELDASQPILGRIHSECLTGDAL FSLRCDCGFQLQTAMQNIAEAGQGFILYLRQEGRGIGLLNKIRAYELQDQGANTVEANER LGFAADMRKYDMIKPMLEKIGVQQVKLMTNNPRKVKAMKELGIAVIERVPLQVGKNRYNE AYLKTKSTELGHMMSEYHFTEEHQD