>sp|Q8PZ91|IXTPA_METMA dITP/XTP pyrophosphatase OS=Methanosarcina mazei GN=MM_0603 MHKIVFVTGNKGKFAEVRDILKNFGIEAIQNKDGYPELQEDELEPIAANGAQYVANKLNM PVMVDDSGIFINALNGFPGPYSRFVEDKLGNPKVLKLMEGEKDRSAYFKTVIGYCEPGQE PLVFPGVVEGKIAYEERGTGGFGYDPIFEYNGMTFGELGDEEKNKVSHRRRAVDNFLEWF IGGA