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)