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Nicotinate mononucleotide adenylyltransferase

nicotinate-nucleotide adenylyltransferase
Identifiers
EC number 2.7.7.18
CAS number 9026-98-6
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / QuickGO

In enzymology, a nicotinate-nucleotide adenylyltransferase (EC 2.7.7.18) is an enzyme that catalyzes the chemical reaction

Thus, the two substrates of this enzyme are ATP and nicotinate ribonucleotide, whereas its two products are diphosphate and deamido-NAD+.

This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing nucleotide groups (nucleotidyltransferases). The systematic name of this enzyme class is ATP:nicotinate-ribonucleotide adenylyltransferase. Other names in common use include deamido-NAD+ pyrophosphorylase, nicotinate mononucleotide adenylyltransferase, deamidonicotinamide adenine dinucleotide pyrophosphorylase, NaMN-ATase, and nicotinic acid mononucleotide adenylyltransferase. This enzyme participates in nicotinate and nicotinamide metabolism.

As of late 2007, 9 structures have been solved for this class of enzymes, with PDB accession codes 1K4K, 1K4M, 1KAM, 1KAQ, 1YUL, 1YUM, 1YUN, 2H29, and 2H2A.


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