Trisha Shetty (Editor)

Nicotinamidase

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EC number
  
3.5.1.19

IntEnz
  
IntEnz view

ExPASy
  
NiceZyme view

CAS number
  
9033-32-3

BRENDA
  
BRENDA entry

KEGG
  
KEGG entry

In enzymology, a nicotinamidase (EC 3.5.1.19) is an enzyme that catalyzes the chemical reaction

nicotinamide + H2O nicotinate + NH3

Thus, the two substrates of this enzyme are nicotinamide and H2O, whereas its two products are nicotinate and NH3.

This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically in linear amides. The systematic name of this enzyme class is nicotinamide amidohydrolase. Other names in common use include nicotinamide deaminase, nicotinamide amidase, and YNDase. This enzyme participates in nicotinate and nicotinamide metabolism.

Structural studies

As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes 1ILW, 1IM5, and 2H0R.

References

Nicotinamidase Wikipedia