MetaCyc Pathway: 5-aminoimidazole ribonucleotide biosynthesis I in Escherichia coli BW25113

Add experiment(s):


Amidophosphoribosyltransferase (in reverse):
5-phospho-α-D-ribose 1-diphosphate + L-glutamine + H2O→5-phospho-β-D-ribosylamine + L-glutamate + diphosphate (EC 2.4.2.14)
b2312 (purF)
Phosphoribosylamine--glycine ligase:
5-phospho-β-D-ribosylamine + glycine + ATP→N1-(5-phospho-β-D-ribosyl)glycinamide + ADP + H+ + phosphate (EC 6.3.4.13)
b4005 (purD)
Phosphoribosylglycinamide formyltransferase:
N1-(5-phospho-β-D-ribosyl)glycinamide + an N10-formyltetrahydrofolate→N2-formyl-N1-(5-phospho-β-D-ribosyl)glycinamide + H+ + a tetrahydrofolate (EC 2.1.2.2)
b1849 (purT)
b2500 (purN)
Phosphoribosylformylglycinamidine synthase:
N2-formyl-N1-(5-phospho-β-D-ribosyl)glycinamide + ATP + L-glutamine + H2O→2-(formamido)-N1-(5-phospho-β-D-ribosyl)acetamidine + ADP + L-glutamate + H+ + phosphate (EC 6.3.5.3)
b2557 (purL)
Phosphoribosylformylglycinamidine cyclo-ligase:
2-(formamido)-N1-(5-phospho-β-D-ribosyl)acetamidine + ATP→5-amino-1-(5-phospho-β-D-ribosyl)imidazole + ADP + H+ + phosphate (EC 6.3.3.1)
b2499 (purM)

Links:

Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information