Nicotinamide mononucleotide adenylyltransferase 2 is an enzyme that in humans is encoded by the NMNAT2gene.[1][2][3]
This gene product belongs to the nicotinamide mononucleotide adenylyltransferase (NMNAT) enzyme family, members of which catalyze an essential step in the nicotinamide adenine dinucleotide (NAD (NADP)) biosynthetic pathway. Unlike the other human family member, which is localized to the nucleus, and is ubiquitously expressed; this enzyme is cytoplasmic, and is predominantly expressed in the brain. Two transcript variants encoding different isoforms have been found for this gene.[3]
References
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↑Raffaelli N, Sorci L, Amici A, Emanuelli M, Mazzola F, Magni G (Oct 2002). "Identification of a novel human nicotinamide mononucleotide adenylyltransferase". Biochem Biophys Res Commun. 297 (4): 835–40. doi:10.1016/S0006-291X(02)02285-4. PMID12359228.
Seki N, Ohira M, Nagase T, et al. (1998). "Characterization of cDNA clones in size-fractionated cDNA libraries from human brain". DNA Res. 4 (5): 345–9. doi:10.1093/dnares/4.5.345. PMID9455484.
Berger F, Lau C, Dahlmann M, Ziegler M (2006). "Subcellular compartmentation and differential catalytic properties of the three human nicotinamide mononucleotide adenylyltransferase isoforms". J. Biol. Chem. 280 (43): 36334–41. doi:10.1074/jbc.M508660200. PMID16118205.
Gregory SG, Barlow KF, McLay KE, et al. (2006). "The DNA sequence and biological annotation of human chromosome 1". Nature. 441 (7091): 315–21. doi:10.1038/nature04727. PMID16710414.
Sorci L, Cimadamore F, Scotti S, et al. (2007). "Initial-rate kinetics of human NMN-adenylyltransferases: substrate and metal ion specificity, inhibition by products and multisubstrate analogues, and isozyme contributions to NAD+ biosynthesis". Biochemistry. 46 (16): 4912–22. doi:10.1021/bi6023379. PMID17402747.