>sp|Q3M7Q7|HIS4_TRIV2 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Trichormus variabilis (strain ATCC 29413 / PCC 7937) OX=240292 GN=hisA PE=3 SV=1 MDVIPAIDLLEGRCVRLYQGDYDRSQVFSENPVDVAKQWVDEGATRLHIVDLDGAKAGKV VNLGAIEAIAQAISIPIEIGGGLRDRSSVEQVFNLGVQWAILGTVAVEQPQLVQELCQQY PGQIIIGIDARNGLVATRGWLETSEVLATQLAVQMQEMGAAAIIYTDIHRDGTLAGPNLD ALRELAAAISIPVIASGGVSSVTDLLSLLALEPQGVTGVIVGRALYTGDINLKEALQAIG PGRIQDIPPNLDFSSFA