>tr|A0A1Y3E0F5|A0A1Y3E0F5_HELPX GTP cyclohydrolase-2 OS=Helicobacter pylori SS1 GN=ribA MKRLEVSNQAKLPTQFGEFYIQCFREKGSNGSKDHLVVFTPNFSQNPLVRLHSECLTGDA LGSQKCDCGGALQMALERISKEGGLVIYLRQEGRGIGLFNKVNAYALQDKGYDTIQANEM IGFKDDERDYSVAGEILEYYRIKKMRLLTNNPKKIAALEKYAEVTRESLIVCANEHNQGY LEVKKLKMGHLL