>sp|Q3AD49|HIS4_CARHZ 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Carboxydothermus hydrogenoformans GN=hisA MILIPAIDLMGKKVVRLTQGEKERKTEYPISPVELALKYQEAGARLIHVVDLDRAFTGES ENFEVIAEIIKNVSIPVQVGGGIRDIESFRELIDLGVSRVIVGTIAVTNPELLEEMLTLD RDKVAVGIDAKNGWVAIKGWVESSNYRALDLAYKVKEMGVTTIIYTDIARDGSLTGPNFN ETLKLAIDTGLKVIASGGISGLEDLRRWRELGENKIYGVIAGKAILEGKIDLKEGIRILE GES