MetaCyc Pathway: NAD salvage (plants) in Agrobacterium fabrum C58

Reactions and Genes	L-ascorbate (C)
NAD(+) synthase (glutamine-hydrolyzing): nicotinate adenine dinucleotide + ATP + L-glutamine + H2O→NAD+ + AMP + L-glutamate + diphosphate + H+ (EC 6.3.5.1)
Atu1657	N.D.
NAD(+) diphosphatase: NAD+ + H2O→β-nicotinamide D-ribonucleotide + AMP + 2 H+ (EC 3.6.1.22)
Atu0098	-2.0
Atu2082	N.D.
NMN nucleosidase: β-nicotinamide D-ribonucleotide + H2O→nicotinamide + D-ribofuranose 5-phosphate + H+ (EC 3.2.2.14; 3.2.2.6)
No genes
5'-nucleotidase: β-nicotinamide D-ribonucleotide + H2O→1-(β-D ribofuranosyl)nicotinamide + phosphate (EC 3.1.3.5)
Atu0378	-0.0
Atu1702	+0.0
Atu3770	+0.0
Uridine nucleosidase: 1-(β-D ribofuranosyl)nicotinamide + H2O→nicotinamide + D-ribofuranose + H+ (EC 3.2.2.3)
No genes
Nicotinamidase: nicotinamide + H2O→nicotinate + ammonium (EC 3.5.1.19)
Atu2066	+0.1
nicotinate + ATP + 5-phospho-α-D-ribose 1-diphosphate + H2O→β-nicotinate D-ribonucleotide + ADP + diphosphate + phosphate (EC 6.3.4.21)
Atu0213	-0.1
nicotinate + D-ribulose 1-phosphate + H+→β-D-ribosylnicotinate + phosphate
No genes
β-D-ribosylnicotinate + ATP→β-nicotinate D-ribonucleotide + ADP + H+ (EC 2.7.1.173)
No genes
Nicotinate-nucleotide adenylyltransferase: β-nicotinate D-ribonucleotide + ATP + H+→nicotinate adenine dinucleotide + diphosphate (EC 2.7.7.18)
Atu2778	N.D.
β-nicotinate D-ribonucleotide + H2O→nicotinate + D-ribofuranose 5-phosphate + H+ (EC 3.2.2.M4)
No genes

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