>sp|Q1R079|HIS4_CHRSD 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Chromohalobacter salexigens GN=hisA MLVIPAIDLKDGQCVRLKQGRMDDSTTYGDDPVAMAARWVETGARRLHLVDLNGAFEGKP VNAEAVTAIARAYPDLPIQIGGGIRTAETIEAYLEAGVSYVIIGTQAVKEPAFVGEMCRR FPGHVIVGLDARDGYVATDGWAEVSTLKAVDLAKRFADDGVSSIVYTDIARDGMMQGVNI AATAELAREGGLPVIASGGVTHLGDIEALLEVADAGILGAITGRAIYEGKLDVAEAQRLC DAQLATRRS