Purines, pyrimidines, nucleosides, and nucleotides:Purine ribonucleotide biosynthesis

Phosphoribosylaminoimidazole-succinocarboxamidesynthase (NCBI)
Amidophosphoribosyltransferase (NCBI)
Phosphoribosyltransferase:Purine/pyrimidine phosphoribosyl transferase (NCBI)
IMP dehydrogenase (NCBI)
Phosphoribosylaminoimidazole carboxylase catalytic subunit (NCBI)
Adenylosuccinate lyase (NCBI)
Phosphoribosylglycinamide formyltransferase 2 (NCBI)
Phosphoribosylformylglycinamidine synthase I (NCBI)
AIR synthase related protein:Phosphoribosylformylglycinamidine cyclo-ligase (NCBI)
Phosphoribosylamine--glycine ligase (NCBI)