>sp|B8IPH4|HIS4_METNO 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Methylobacterium nodulans GN=hisA MTRVILFPAIDLKEGRCVRLVQGDMAQAIVFSDDPAAQAASFAEQGFSWLHVVDLDGAFA GAPMNAAAVDAILAAVTIPVQLGGGIREMRTVEGWLAKGVSRVIIGTAAVRDPAFVREAA RLFPGRIAVGIDAKDGRVAVEGWAKTSTVTAEELGRRFEDAGVAALIYTDIARDGVLKGL NIPMTLALAQAVSIPVIASGGLASIEDVHRILEPDCALLAGAITGRALYDGRIDPREALA AIRRAEEARRSGS