>sp|Q2YAU9|HIS4_NITMU 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Nitrosospira multiformis GN=hisA MLIIPAIDLKDGHCVRLKQGVMENVTVFSEDPAAMARHWLDQGARRLHLVDLNGAFAGKP KNELAIRDIVDAIGDEIPTQLGGGIRDLETIERYLDDGITYIIIGTAAVKTPGFLHDACN AFPGHIMVGLDAKDGKVAVNGWSKVTGHDVVDLAKKFEDYGVEAIIYTDIGRDGMLSGVN LKATLELARALTIPVIASGGVSSLDDVKALCEMEPEGIAGAITGRAIYEGTLDFKVAQEL ADELSTQSSPRDTTILF