>sp|Q6CQL7|HIS4_KLULA 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Kluyveromyces lactis GN=HIS6 MTKFVGCIDLHDGQVKQIVGGTLTDSSKDKVTTNFVSKLPPSHYAKLYHENQVEGCHVIK LGPNNDEAALEALNECPNFLQVGGGITLDNCGYWLKYASKIIVTSFLFDKSTYQFQREKL VKLAEICGKDRLVVDLSCKRVTKPDQEPKWVVAMNKWQTLTDLELNERTFADLCQYTDEF LVHAADVEGLCNGIDEELVAHLYKWTADIPKVKIVYAGGAKSVDDLRLVEKLSHGKIDLT FGSALDIFGGSLVKFEDCVQWNHEKHA