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Literature summary for 3.6.1.8 extracted from

  • Heppel, L.A.; Hilmoe, R.J.
    Mechanism of enzymatic hydrolysis of adenosinetriphosphate (1953), J. Biol. Chem., 202, 217-226.
    View publication on PubMed

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+
-
Rattus norvegicus
Ca2+ no effect Bos taurus
Mg2+
-
Rattus norvegicus
Mg2+ no effect Bos taurus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + H2O Rattus norvegicus
-
AMP + diphosphate
-
?
ATP + H2O Bos taurus
-
AMP + diphosphate
-
?
ATP + H2O Oryctolagus cuniculus
-
AMP + diphosphate
-
?
ATP + H2O Crotalus adamanteus
-
AMP + diphosphate
-
?
ITP + H2O Crotalus adamanteus
-
IMP + diphosphate
-
?

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-
Crotalus adamanteus
-
snake
-
Oryctolagus cuniculus
-
-
-
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial purification Bos taurus

Source Tissue

Source Tissue Comment Organism Textmining
kidney
-
Rattus norvegicus
-
plasma
-
Bos taurus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + H2O
-
Rattus norvegicus AMP + diphosphate
-
?
ATP + H2O
-
Bos taurus AMP + diphosphate
-
?
ATP + H2O
-
Oryctolagus cuniculus AMP + diphosphate
-
?
ATP + H2O
-
Crotalus adamanteus AMP + diphosphate
-
?
ITP + H2O
-
Crotalus adamanteus IMP + diphosphate
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
30 min at 60°C causes no loss of activity Bos taurus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.4 9
-
Bos taurus

pH Range

pH Minimum pH Maximum Comment Organism
6 10 20% activity at pH 6, 50% activity at pH 10 Bos taurus
7.4 8.8 much higher activity at pH 8.8 Crotalus adamanteus