>sp|Q9ZL42|RIBA_HELPJ GTP cyclohydrolase-2 OS=Helicobacter pylori GN=ribA MKRLEVSNQAKLPTQFGEFCIQCFREKGSNGSKDHLVIFTPNFPQNPLVRLHSECLTGDA LGSQKCDCGGALQMALERISKEGGLVIYLRQEGRGIGLFNKVNAYALQDKGYDTIQANEM IGFKDDERDYSIAGEILEYYRIKKMRLLTNNPLKIAALEKYAEVTRESLIVCANEHNQGY LEVKKLKMGHLL