>sp|Q3M7Q7|HIS4_TRIV2 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Trichormus variabilis GN=hisA MDVIPAIDLLEGRCVRLYQGDYDRSQVFSENPVDVAKQWVDEGATRLHIVDLDGAKAGKV VNLGAIEAIAQAISIPIEIGGGLRDRSSVEQVFNLGVQWAILGTVAVEQPQLVQELCQQY PGQIIIGIDARNGLVATRGWLETSEVLATQLAVQMQEMGAAAIIYTDIHRDGTLAGPNLD ALRELAAAISIPVIASGGVSSVTDLLSLLALEPQGVTGVIVGRALYTGDINLKEALQAIG PGRIQDIPPNLDFSSFA