>sp|Q1CT68|RIBA_HELPH GTP cyclohydrolase-2 OS=Helicobacter pylori (strain HPAG1) GN=ribA PE=3 SV=1 MKRLEVSNQAKLPTQFGEFCIQCFREKGSSGSKDHLVVFTPNFSQNPLVRLHSECLTGDA LGSQKCDCGGALQMALERISKEGGLVIYLRQEGRGIGLFNKVNAYALQDKGYDTIQANEM IGFKDDERDYSIAGEILEYYRIKKMRLLTNNPKKIAALEKYAEVTRESLIVCANEHNQGY LEVKKLKMGHLL