6.3.5.1 NAD metabolism NAD metabolism - - 6.3.5.1 Nicotinate and nicotinamide metabolism - 00760 - 6.3.5.1 Metabolic pathways - 01100 - 6.3.5.1 NAD salvage (plants) - - PWY-5381 6.3.5.1 NAD biosynthesis from 2-amino-3-carboxymuconate semialdehyde - - PWY-5653 6.3.5.1 NAD salvage pathway II (PNC IV cycle) - - PWY-7761 6.3.5.1 NAD de novo biosynthesis IV (anaerobic) - - PWY-8277 6.3.5.1 NAD de novo biosynthesis III - - PWY-8352 6.3.5.1 NAD salvage pathway V (PNC V cycle) - - PWY3O-4107 6.3.5.1 NAD salvage pathway I (PNC VI cycle) - - PYRIDNUCSAL-PWY