>sp|Q5E5L2|RIBA_ALIF1 GTP cyclohydrolase-2 OS=Aliivibrio fischeri GN=ribA MANVRARIELMVGQKSNIPAEMLSFEGLETDKEHVAVVFNQADKHQSTPLVRMHSECLTG DVFHSSRCDCGEQLEETINRMSESGGIILYLRQEGRGIGLYNKLDAYELQSQGMNTYEAN NHLGFGDDLRDFKEAAQMLEALNISKIKLVTNNPKKIKDIQNYGIEIDEVVNTHAHVKQG NEHYLHSKAAHGHKLNFDK