>sp|O27550|HIS1_METTH ATP phosphoribosyltransferase OS=Methanothermobacter thermautotrophicus GN=hisG MKIRIAVPSKGRISEPAIRLLENAGVGLKDTVNRKLFSKTQHPQIEVMFSRAADIPEFVA DGAADLGITGYDLIVERGSDVEILEDLKYGRASLVLAAPEDSTIRGPEDIPRGAVIATEF PGITENYLREHGIDAEVVELTGSTEIAPFIGVADLITDLSSTGTTLRMNHLRVIDTILES SVKLIANRESYATKSGIIEELRTGIRGVIDAEGKRLVMLNIDRKNLDRVRALMPGMTGPT VSEVLSDNGVVAVHAVVDEKEVFNLINRLKAVGARDILVVPIERIIP