MPGIAIIGAQWGDEGKGKVVDVLAREADYVIRYQGGANAGHTVVAEGKVFKLNLLPSGVIHPHAVNVLGDGMVIDPFRFQEEVEGLRKEGFDPKILVSERAHLVLPHHKHVESRHNFVGTTGRGIGPAYSDRARRVGIRAGDLLDEATLRERVRRLLAEKPNSTREAGWDTEEKALADLHRMREILSPYIADTGSLLREAWRKGKRLLFEGAQATLLDLNYGTYPYVTSSHPTVGGILVGTGLSHKAITKVYGVAKAYTTRVGEGPFPTELQGELAHHLREKGGEYGTTTGRPRRVGWLDLVALRYACEVNGFDGLVLTKLDVLSGLEKVKVAVEYLDGARPGEASPEAVRYLELPGWGDLSHVKRREDLPANLLRYLELVEEHTGVPVVLFSTSPRREDTFGAVSWV IMP--aspartate ligase Adenylosuccinate synthetase 408 purA PURA_THET8 TTHA0222 Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first commited step in the biosynthesis of AMP from IMP (By similarity).