>sp|Q0RFX1|HIS4_FRAAA 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Frankia alni GN=hisA MAGVTLTLLPAVDVADGRAVRLVQGEAGSETSYGDPLEAALTWQRDGAEWIHLVDLDAAF GRGSNRELIAEVVRSVDVAVELSGGIRDDDSLDAALATGAARVNIGTAALEDPDWVRRAI DRVGDRIAVGLDVRGTTLAARGWTQDGGELFEVLARLDADGCARYVVTDVRRDGTLTGPN VELLRSVTAVTDRPVVASGGVSALADLVAIAAVPGVEGAIVGKALYAGAFTLPEALAVTS TVVAG