2.7.1.22	ribosylnicotinamide kinase	NAD salvage pathway IV (from nicotinamide riboside)	-	-	PWY3O-4106	
2.7.7.1	nicotinamide-nucleotide adenylyltransferase	NAD salvage pathway IV (from nicotinamide riboside)	-	-	PWY3O-4106