EOG8STVJJ GO:0009435 27/103 NAD biosynthetic process biological_process "The chemical reactions and pathways resulting in the formation of nicotinamide adenine dinucleotide, a coenzyme present in most living cells and derived from the B vitamin nicotinic acid; biosynthesis may be of either the oxidized form, NAD, or the reduced form, NADH." [GOC:jl, ISBN:0618254153] EOG8STVJJ GO:0016779 24/103 nucleotidyltransferase activity molecular_function "Catalysis of the transfer of a nucleotidyl group to a reactant." [ISBN:0198506732] EOG8STVJJ GO:0000309 3/103 nicotinamide-nucleotide adenylyltransferase activity molecular_function "Catalysis of the reaction: ATP + nicotinamide nucleotide = diphosphate + NAD+." [EC:2.7.7.1] EOG8STVJJ GO:0051082 1/103 unfolded protein binding molecular_function "Interacting selectively and non-covalently with an unfolded protein." [GOC:ai] EOG8STVJJ GO:0045494 1/103 photoreceptor cell maintenance biological_process "Any process preventing the degeneration of the photoreceptor, a specialized cell type that is sensitive to light." [CL:0000210, GOC:bf, GOC:rl] EOG8STVJJ GO:0097062 1/103 dendritic spine maintenance biological_process "The organization process that preserves a dendritic spine in a stable functional or structural state. A dendritic spine is a specialized protrusion from a neuronal dendrite and is involved in synaptic transmission." [GOC:BHF, PMID:20410104]