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BRENDA support

Literature summary for 2.7.1.20 extracted from

  • Lazou, A.; Beis, I.
    Enzymes of adenosine metabolism in Rana ridibunda heart (1985), Mol. Physiol., 8, 131-142.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
K+ inhibition by increasing concentrations Pelophylax ridibundus
Na+ inhibition by increasing concentrations Pelophylax ridibundus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00089
-
adenosine pH 7.0 Pelophylax ridibundus
0.00125 0.002 adenosine pH 5.8 Pelophylax ridibundus

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ activation Pelophylax ridibundus
Mg2+ requirement Pelophylax ridibundus
Mg2+ dependent on ATP-concentration Pelophylax ridibundus
Mn2+ activation Pelophylax ridibundus

Organism

Organism UniProt Comment Textmining
Pelophylax ridibundus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
gel filtration and affinity chromatography Pelophylax ridibundus

Source Tissue

Source Tissue Comment Organism Textmining
heart myocard Pelophylax ridibundus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
20.8 mU/mg protein Pelophylax ridibundus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + adenosine
-
Pelophylax ridibundus ADP + AMP
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.8
-
biphasic Pelophylax ridibundus
7
-
biphasic Pelophylax ridibundus