>tr|G9XWA1|G9XWA1_DESHA Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Desulfitobacterium hafniense DP7 GN=purC MEKGQMLYEGKAKKVYTTDQEGIYWVEYKDDATAFNGEKKGTIGDKGIVNNRLSALLFEV LEKTGIPTHFIELLNDREMLVRKLEMIPLEVVVRNIAAGSLAKRLGVAEGLKLSRPVVEL YYKDDALGDPFVNESHSLAMGWAEERDLKEIQELGLKINGELQKILDQAGIILVDFKLEF GKAEGKVYLGDEISPDTCRFWDKETQEKLDKDRFRRDLGKVEEAYAEVYRRVKEVLKD