>sp|Q0A5D2|HIS4_ALKEH 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Alkalilimnicola ehrlichii GN=hisA MQLIPAIDLKDGRCVRLRQGRMDDETVFSDDPVAMAGRWVAAGTRRLHLVDLNGAVAGKP VNAEIIHRIATRYPDLRIQVGGGIRDLDTIRGYREAGVDDLIIGTQAVRRPEFVTEACQA FPGHIIVGLDARDGRVATDGWEQVSEVRAVDLARRFEAAGVNAIVFTDIGRDGMMKGVNI EATRELARAITIPVIASGGVSSLEDVRALCAAAGDGISGAIVGRALYEGSLDLAEAQGLA DELCGVKP