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Results 1 - 9 of 9
EC Number
Substrates
Commentary Substrates
Organism
Products
Commentary (Products)
Reversibility
ATP + H2O
low affinity
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-
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more
the enzyme has low affinity for CTP, ATP or thiamine triphosphate. Nucleoside triphosphatase activity is negligible in the presence of 5 mM Mg2+, but a small activity is observed in the presence of 1 mM Mn2+, in particular with GTP. Guanosine 5’-tetraphosphate and long chain polyphosphate (containing about 65 phosphate residues) are not hydrolyzed. The enzyme has no adenylyl cyclase activity
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-
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triphosphate + H2O
-
diphosphate + phosphate
-
?
triphosphate + H2O
-
diphosphate + phosphate
-
?
triphosphate + H2O
-
diphosphate + phosphate
-
?
triphosphate + H2O
-
diphosphate + phosphate
-
?
triphosphate + H2O
involved in phosphorous and energy exchange of mitochondria
diphosphate + phosphate
-
?
triphosphate + H2O
involved in transcription termination
diphosphate + phosphate
-
?
tripolyphosphate + H2O
very good substrate with Mg2+ as activator. The enzyme has a strong preference for linear tripolyphosphate compared with cyclic trimetaphosphate and to the linear tetraphosphate
diphosphate + phosphate
-
?
Results 1 - 9 of 9