MLVIPAIDLQSGRCVRLKQGRFDQVTQFSVFPIERALHFAKLGAKRLHVVDLDGARSGKMQQLELICSMQKTGIPIQAGGGIRSIEQALECSNAGISQLVIGSLAITNPDLTIQIIEKIKPENIVLALDVRVDTKVPLLAINGWQNNSTSSLWEVVSYYENYGIKNILCTDIACDGMMNGPNFDLYQQAVEYFPQIAWQASGGVRHMQDITTLNSLGISAVILGLMLYQDHMNLEELLC hisA HIS4_LEGPH 239 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase lpg1195