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Literature summary extracted from

  • Kuwahara, M.; Fujii, T.
    Purification and some properties of NAD-degrading purine nucleosidase from Aspergillus niger (1978), Can. J. Biochem., 56, 345-348.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.2.1 HgCl2 10 mM, 17% inhibition Aspergillus niger

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.2.1 1.6
-
Inosine
-
Aspergillus niger
3.2.2.1 2.9
-
5'-AMP
-
Aspergillus niger
3.2.2.1 3
-
NAD+
-
Aspergillus niger

Organism

EC Number Organism UniProt Comment Textmining
3.2.2.1 Aspergillus niger
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.2.1
-
Aspergillus niger

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.2.1 mycelium
-
Aspergillus niger
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.2.1 55
-
-
Aspergillus niger

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.2.1 5'-AMP + H2O
-
Aspergillus niger adenine + D-ribose 5-phosphate
-
?
3.2.2.1 5'-GMP + H2O
-
Aspergillus niger guanine + D-ribose 5-phosphate
-
?
3.2.2.1 5'-IMP + H2O
-
Aspergillus niger hypoxanthine + D-ribose 5-phosphate
-
?
3.2.2.1 adenosine + H2O
-
Aspergillus niger D-ribose + adenine
-
?
3.2.2.1 deamino-NAD+ + H2O
-
Aspergillus niger ?
-
?
3.2.2.1 guanosine + H2O
-
Aspergillus niger D-ribose + guanine
-
?
3.2.2.1 inosine + H2O
-
Aspergillus niger hypoxanthine + D-ribose
-
?
3.2.2.1 NAD+ + H2O
-
Aspergillus niger adenine + ?
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.2.1 3.5
-
hydrolysis of 3'-AMP Aspergillus niger
3.2.2.1 4 4.5 degradation of NAD+ Aspergillus niger

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.2.1 3 9 90 min, 37°C Aspergillus niger