>sp|Q6AE15|HIS4_LEIXX 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Leifsonia xyli subsp. xyli GN=hisA MSEFNNRPRLVLLPAVDVADGKAVRLTQGAAGSETSYGDPVDAAAEWADAGAEWIHLVDL DAAFGRGDNRGLLKRVIRQTKGVKIELSGGIRDDDSLEHALEIGATRVNLGTAALENPEW ASHVIGQYGEAIAVGLDVRGTTLAARGWTREGGDLWQVLERLEEAGCARYVVTDVTKDGA LKGPNLDLLRQVVERTERPVVASGGIASLDDIAALRELVSLGVEGAIVGKALYSGAFTLP EALDVAGH