>tr|A0A243CSX1|A0A243CSX1_BACTU 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Bacillus thuringiensis serovar vazensis GN=hisA MEIFPAIDLKEGRCVRLYQGEFSKETVMNEDPVAQAIIFEKFGAKRLHIVDLDGAVAGES LNLSVIERICKAVRIPVQVGGGIRSLVAVEKLFSVGVDKVILGTAALYDKTFLEEAVLLY KEKIIVGIDAKNGFVATRGWLDVSEISYIDLAKQMEKIGVQTIVFTDISKDGTLAGPNIE QLELLQKSVAIRLIASGGVASIQDVKKLNDMNIYGVIIGKALYEKTIDLEEVLEVTKLC