Protein: Nicotinamide/nicotinic acid mononucleotide adenylyltransferase 3 (NMN/NaMN adenylyltransferase 3) (Nicotinamide-nucleotide adenylyltransferase 3) (NMN adenylyltransferase 3) (Nicotinate-nucleotide adenylyltransferase 3) (NaMN adenylyltransferase 3) (EC 2.7.7.18) (Pyridine nucleotide adenylyltransferase 3) (PNAT-3) (EC 2.7.7.1) (Q96T66)
Organism: Homo sapiens (Human)
Function: Catalyzes the formation of NAD(+) from nicotinamide mononucleotide (NMN) and ATP. Can also use the deamidated form; nicotinic acid mononucleotide (NaMN) as substrate with the same efficiency. Can use triazofurin monophosphate (TrMP) as substrate. Can also use GTP and ITP as nucleotide donors. Also catalyzes the reverse reaction, i.e. the pyrophosphorolytic cleavage of NAD(+). For the pyrophosphorolytic activity, can use NAD(+), NADH, NaAD, nicotinic acid adenine dinucleotide phosphate (NHD), nicotinamide guanine dinucleotide (NGD) as substrates. Fails to cleave phosphorylated dinucleotides NADP(+), NADPH and NaADP(+). Protects against axonal degeneration following injury.
Subcellular location: Mitochondrion {ECO:0000269|PubMed:12574164, ECO:0000269|PubMed:16118205}.
Sequence: MKSRIPVVLLACGSFNPITNMHLRMFEVARDHLHQTGMYQVIQGIISPVNDTYGKKDLAASHHRVAMARLALQTSDWIRVDPWESEQAQWMETVKVLRHHHSKLLRSPPQMEGPDHGKALFSTPAAVPELKLLCGADVLKTFQTPNLWKDAHIQEIVEKFGLVCVGRVGHDPKGYIAESPILRMHQHNIHLAKEPVQNEISATYIRRALGQGQSVKYLIPDAVITYIKDHGLYTKGSTWKGKSTQSTEGKTS
InterPro domains: - IPR004821: Cytidyltransferase-like domain (domain) [10-207]
- IPR005248: Nicotinate/nicotinamide nucleotide adenylyltransferase (family) [10-233]
- IPR014729: Rossmann-like alpha/beta/alpha sandwich fold (homologous_superfamily) [4-245]
- IPR051182: Eukaryotic NMN adenylyltransferase (family) [2-244]
- IPR045094: Nicotinamide/nicotinate mononucleotide adenylyltransferase, eukaryotic (family) [7-233]
Gene Ontology annotations:
Molecular Function (MF): GO:0003674 (molecular function), GO:0005488 (binding), GO:0003824 (catalytic activity), GO:0016740 (transferase activity), GO:0005515 (protein binding), GO:0042802 (identical protein binding), GO:0016772 (transferase activity, transferring phosphorus-containing groups), GO:0016779 (nucleotidyltransferase activity), GO:0070566 (adenylyltransferase activity)
Biological Process (BP): GO:0008150 (biological process), GO:0008152 (metabolic process), GO:0050896 (response to stimulus), GO:0009987 (cellular process), GO:0009058 (biosynthetic process), GO:0044237 (cellular metabolic process), GO:0044281 (small molecule metabolic process), GO:0006807 (nitrogen compound metabolic process), GO:0006950 (response to stress), GO:0071704 (organic substance metabolic process), GO:0044238 (primary metabolic process), GO:1901360 (organic cyclic compound metabolic process), GO:1901564 (organonitrogen compound metabolic process), GO:1901576 (organic substance biosynthetic process), GO:0009611 (response to wounding), GO:0006139 (nucleobase-containing compound metabolic process), GO:0046483 (heterocycle metabolic process), GO:0055086 (nucleobase-containing small molecule metabolic process), GO:0019637 (organophosphate metabolic process), GO:0044249 (cellular biosynthetic process), GO:0006725 (cellular aromatic compound metabolic process), GO:0034641 (cellular nitrogen compound metabolic process), GO:0006793 (phosphorus metabolic process), GO:1901566 (organonitrogen compound biosynthetic process), GO:1901362 (organic cyclic compound biosynthetic process), GO:0006753 (nucleoside phosphate metabolic process), GO:0019438 (aromatic compound biosynthetic process), GO:0018130 (heterocycle biosynthetic process), GO:0090407 (organophosphate biosynthetic process), GO:0044271 (cellular nitrogen compound biosynthetic process), GO:0006796 (phosphate-containing compound metabolic process), GO:0072521 (purine-containing compound metabolic process), GO:0072524 (pyridine-containing compound metabolic process), GO:0034654 (nucleobase-containing compound biosynthetic process), GO:0009117 (nucleotide metabolic process), GO:0019362 (pyridine nucleotide metabolic process), GO:0006163 (purine nucleotide metabolic process), GO:0072522 (purine-containing compound biosynthetic process), GO:1901293 (nucleoside phosphate biosynthetic process), GO:0072525 (pyridine-containing compound biosynthetic process), GO:0046496 (nicotinamide nucleotide metabolic process), GO:0009165 (nucleotide biosynthetic process), GO:0019363 (pyridine nucleotide biosynthetic process), GO:0006164 (purine nucleotide biosynthetic process), GO:0019674 (NAD metabolic process), GO:0009435 (NAD biosynthetic process), GO:0019359 (nicotinamide nucleotide biosynthetic process)
Cellular Component (CC): GO:0005575 (cellular component), GO:0110165 (cellular anatomical entity), GO:0005622 (intracellular anatomical structure), GO:0043226 (organelle), GO:0005737 (cytoplasm), GO:0043229 (intracellular organelle), GO:0043227 (membrane-bounded organelle), GO:0043231 (intracellular membrane-bounded organelle), GO:0005634 (nucleus)