>sp|Q0C639|HIS4_HYPNA 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Hyphomonas neptunium GN=hisA MTFTLYPAIDLKDGACVRLLRGEMDAATVFNTDPADQARAFHAMGFTHLHVVDLNGAFAG APVNRAAVEGILKATPAPVQLGGGIRTRAQIDAWLEAGISRVILGTIALRDPELVKTAAR ALPGRIVVGIDAKDGMVAVEGWAETSDMKATELAKAFEGCGVAAIVATDIGRDGLKTGVN VPFTAELAHAVSIPVIASGGVRDVNDIRALKASGAPIAGSILGRALYDGDIVASEAIEAA G