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Literature summary extracted from

  • Abu-Shady, M.R.; Elshafei, A.M.; El-Beih, F.M.; Mohamed, L.A.
    Hydrolytic cleavage of purine ribunucleosides by extracts of Aspergillus terricola (1994), Acta Microbiol. Pol., 43, 297-304.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.2.1 (NH4)2SO4
-
 Aspergillus terricola
3.2.2.1 CoSO4
-
 Aspergillus terricola
3.2.2.1 CuSO4
-
 Aspergillus terricola
3.2.2.1 KCl slight inhibition Aspergillus terricola
3.2.2.1 Li2SO4 inhibits activity with adenosine and guanosine, slight inhibition of activity with inosine Aspergillus terricola
3.2.2.1 MnSO4 inhibits activity with adenosine and guanosine, very slight inhibition of activity with inosine Aspergillus terricola

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.2.1 10
-
 Inosine
-
 Aspergillus terricola
3.2.2.1 20
-
 adenosine
-
 Aspergillus terricola
3.2.2.1 22.2
-
 guanosine
-
 Aspergillus terricola

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.2.1 CaCl2 slight activation Aspergillus terricola
3.2.2.1 MnCl2 slight activation Aspergillus terricola

Organism

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

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.2.1 adenosine + H2O
-
 Aspergillus terricola D-ribose + adenine
-
 ?
3.2.2.1 guanosine + H2O
-
 Aspergillus terricola D-ribose + guanine
-
 ?
3.2.2.1 inosine + H2O
-
 Aspergillus terricola hypoxanthine + D-ribose
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.2.1 50
-
-
 Aspergillus terricola

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
3.2.2.1 40 70 40°C: about 55% of maximal activity with inosine, about 45% of maximal activity with guanosine, about 40% of maximal activity with adenosine, 70°C: about 30% of maximal activity with inosine, about 35% of maximal activity with guanosine, about 25% of maximal activity with adenosine Aspergillus terricola

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.2.1 60
-
 15 min in absence of substrate, 54-86% loss of activity Aspergillus terricola

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.2.1 4
-
-
 Aspergillus terricola