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Nicotinamide-Nucleotide Adenylyltransferase MeSH Descriptor Data 2022


MeSH Heading
Nicotinamide-Nucleotide Adenylyltransferase
Tree Number(s)
D08.811.913.696.445.600
D12.776.157.687.499
D12.776.660.720.499
Unique ID
D009612
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009612
Scope Note
An enzyme that catalyzes reversibly the transfer of the adenylyl moiety of ATP to the phosphoryl group of NMN to form NAD+ and pyrophosphate. The enzyme is found predominantly in the nuclei and catalyzes the final reaction in the major pathway for the biosynthesis of NAD in mammals.
Entry Term(s)
ATP-NMN Adenylyltransferase
NAD Pyrophosphorylase
NMN Adenylyltransferase
Nicotinamide Mononucleotide Adenylyltransferase
Registry Number
EC 2.7.7.1
Related Numbers
9032-70-6
CAS Type 1 Name
ATP:nicotinamide-nucleotide adenylyltransferase
Previous Indexing
Adenosine Triphosphate (1966-1978)
Nicotinamide Mononucleotide (1973-1978)
Nucleotidyltransferases (1966-1978)
Transferases (1966-1967)
Public MeSH Note
98; see NMN ADENYLYLTRANSFERASE 1991-97; see NUCLEOTIDYLTRANSFERASES 1979-90
History Note
98(79)
Date Established
1991/01/01
Date of Entry
1978/03/13
Revision Date
2017/05/24
Nicotinamide-Nucleotide Adenylyltransferase Preferred
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