Amino acid biosynthesis

phosphoribosyl-ATP pyrophosphatase (RefSeq)

imidazole glycerol phosphate synthase, subunit with HisH (RefSeq)

N-(5'-phospho-L-ribosyl-formimino)-5-amino-1- (5'-phosphoribosyl)-4-imidazolecarboxamide isomerase (RefSeq)

glutamine amidotransferase, subunit with HisF (RefSeq)

Trans-sulfuration enzyme (O-acetylhomoserine aminocarboxypropyltransferase) (RefSeq)

3-isopropylmalate dehydrogenase (RefSeq)

dihydrodipicolinate reductase (RefSeq)

glutamine synthetase, type I (RefSeq)

acetylglutamate kinase (RefSeq)

argininosuccinate synthase (citrulline-aspartate ligase) (RefSeq)