Mycobacterium smegmatis has two pyrazinamidase enzymes PncA and PzaA
Guo, M.; Sun, Z.; Zhang, Y.; J. Bacteriol. 182, 3881-3884 (2000) 
Data extracted from this reference:
Cloned(Commentary)
EC Number
Cloned (Commentary)
Organism
3.5.1.19
-
Mycolicibacterium smegmatis
Molecular Weight [Da]
EC Number
Molecular Weight [Da]
Molecular Weight Maximum [Da]
Commentary
Organism
3.5.1.19
50000
-
x * 50000
Mycolicibacterium smegmatis
Organism
EC Number
Organism
UniProt
Commentary
Textmining
3.5.1.19
Mycolicibacterium smegmatis
-
-
-
Substrates and Products (Substrate)
EC Number
Substrates
Commentary Substrates
Literature (Substrates)
Organism
Products
Commentary (Products)
Literature (Products)
Organism (Products)
Reversibility
Substrate Product ID
3.5.1.19
nicotinamide + H2O
-
246584
Mycolicibacterium smegmatis
nicotinate + NH3
-
-
-
?
3.5.1.19
pyrazinamide + H2O
-
246584
Mycolicibacterium smegmatis
pyrazinoic acid + NH3
-
-
-
?
Subunits
EC Number
Subunits
Commentary
Organism
3.5.1.19
?
x * 50000
Mycolicibacterium smegmatis
Synonyms
EC Number
Synonyms
Commentary
Organism
3.5.1.19
nicotinamidase/pyrazinamidase
-
Mycolicibacterium smegmatis
Cloned(Commentary) (protein specific)
EC Number
Commentary
Organism
3.5.1.19
-
Mycolicibacterium smegmatis
Molecular Weight [Da] (protein specific)
EC Number
Molecular Weight [Da]
Molecular Weight Maximum [Da]
Commentary
Organism
3.5.1.19
50000
-
x * 50000
Mycolicibacterium smegmatis
Substrates and Products (Substrate) (protein specific)
EC Number
Substrates
Commentary Substrates
Literature (Substrates)
Organism
Products
Commentary (Products)
Literature (Products)
Organism (Products)
Reversibility
ID
3.5.1.19
nicotinamide + H2O
-
246584
Mycolicibacterium smegmatis
nicotinate + NH3
-
-
-
?
3.5.1.19
pyrazinamide + H2O
-
246584
Mycolicibacterium smegmatis
pyrazinoic acid + NH3
-
-
-
?
Subunits (protein specific)
EC Number
Subunits
Commentary
Organism
3.5.1.19
?
x * 50000
Mycolicibacterium smegmatis