KEGG   ENZYME: 3.5.1.42Help
Entry
EC 3.5.1.42                 Enzyme                                 

Name
nicotinamide-nucleotide amidase;
NMN deamidase;
nicotinamide mononucleotide deamidase;
nicotinamide mononucleotide amidohydrolase
Class
Hydrolases;
Acting on carbon-nitrogen bonds, other than peptide bonds;
In linear amides
BRITE hierarchy
Sysname
nicotinamide-D-ribonucleotide amidohydrolase
Reaction(IUBMB)
beta-nicotinamide D-ribonucleotide + H2O = beta-nicotinate D-ribonucleotide + NH3 [RN:R02322]
Reaction(KEGG)
R02322;
(other) R06134
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Substrate
beta-nicotinamide D-ribonucleotide [CPD:C00455];
H2O [CPD:C00001]
Product
beta-nicotinate D-ribonucleotide [CPD:C01185];
NH3 [CPD:C00014]
Comment
Also acts more slowly on beta-nicotinamide D-ribonucleoside.
History
EC 3.5.1.42 created 1976
Pathway
Nicotinate and nicotinamide metabolism
Reference
1  [PMID:4144084]
  Authors
Imai T.
  Title
Purification and properties of nicotinamide mononucleotide amidohydrolase from Azotobacter vinelandii.
  Journal
J. Biochem. (Tokyo). 73 (1973) 139-53.
  Organism
Azotobacter vinelandii
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
37355-58-1

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