>sp|A4WUS7|HIS4_CERS5 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Cereibacter sphaeroides GN=hisA MILYPAIDLKDGQCVRLLRGEMEAATVFGDDPAAQAAAFEAAGCEWLHLVDLNGAFAGHP VNGAAVEAILARLTVPAQLGGGIRDMKTIALWLEKGLARVILGTVAVENPALVREAARAF PGRVAVGIDARKGRVATKGWATETDVMATDLARSFEDAGVAALIYTDIDRDGAMAGPNIE ATDALARAVSIPVIASGGVSSLADLVALRDTGRIAGAISGRALYDGALDLAEALRTLRA