>sp|A9B5I3|HIS4_HERA2 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Herpetosiphon aurantiacus (strain ATCC 23779 / DSM 785 / 114-95) OX=316274 GN=hisA PE=3 SV=1 MQLIPAIDLRDGRCVRLVQGDFEQTTVYGDDPVAVAQQWEAAGAARIHIVDLDGAKAGRP TQTSTIAAITKAVSVPVQLGGGLRDAASIAAAFELGVSDVILGTVAVRNPELVAELVRQY GKAITIGIDARNGVVATEGWLASSRQRATELAEQMGQLGVARIIYTDISRDGTLSEPNYA QTAALVTPNGPAIIASGGIARVEHLARLAELGISGAIIGTALYTGHIDLASAIQTIEHGG