3.6.1.14: adenosine-tetraphosphatase
This is an abbreviated version!
For detailed information about adenosine-tetraphosphatase, go to the full flat file.
Word Map on EC 3.6.1.14
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3.6.1.14
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lupin
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5'-tetraphosphate
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yellow
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p5a
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orthophosphate
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3.6.1.17
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5'-pentaphosphate
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tetraphosphatases
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guanosine
- 3.6.1.14
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lupin
- 5'-tetraphosphate
- yellow
- p5a
- orthophosphate
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3.6.1.17
- 5'-pentaphosphate
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tetraphosphatases
- guanosine
Reaction
Synonyms
adenosinetetraphosphatase, nucleoside tetraphosphatase, p4A phosphohydrolase, phosphatase, adenosine tetra-
ECTree
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Substrates Products
Substrates Products on EC 3.6.1.14 - adenosine-tetraphosphatase
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REACTION DIAGRAM
alpha-beta-methylene-adenosine 5'-tetraphosphate + H2O
alpha-beta-methylene-adenosine 5'-triphosphate + phosphate
ATP + phosphate
adenosine 5'-tetraphosphate + H2O
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enzyme nicotinate phosphoribosyltransferase, EC 6.3.4.21, is able to generate adenosine 5'-tetraphosphate using substrate ATP and product phosphate. Accompanying a typically irreversible hydrolysis of ATP to ADP and phosphate, is a fully reversible phosphate transfer reaction between ATP and adenosine 5'-tetraphosphate
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hydrolyzed 18fold more slowly than adenosine 5'-tetraphosphate
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adenosine 5'-pentaphosphate + H2O
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hydrolyzed at 1/200 the rate of adenosine 5'-tetraphosphate
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alpha-beta-methylene-adenosine 5'-triphosphate + phosphate
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alpha-beta-methylene-adenosine 5'-tetraphosphate + H2O
alpha-beta-methylene-adenosine 5'-triphosphate + phosphate
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