EC Number   |
Substrates   |
Products   |
Reversibility   |
|---|
 3.6.1.14 | adenosine 5'-pentaphosphate + H2O |
- |
? |
- |
? |
 3.6.1.14 | adenosine 5'-pentaphosphate + H2O |
hydrolyzed 18fold more slowly than adenosine 5'-tetraphosphate |
? |
- |
? |
 3.6.1.14 | adenosine 5'-pentaphosphate + H2O |
hydrolyzed at 1/200 the rate of adenosine 5'-tetraphosphate |
? |
- |
? |
 3.6.1.14 | adenosine 5'-tetraphosphate + H2O |
- |
ATP + phosphate |
- |
? |
 3.6.1.14 | alpha-beta-methylene-adenosine 5'-tetraphosphate + H2O |
- |
alpha-beta-methylene-adenosine 5'-triphosphate + phosphate |
- |
? |
 3.6.1.14 | ATP + phosphate |
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 |
adenosine 5'-tetraphosphate + H2O |
- |
? |
 3.6.1.14 | guanosine tetraphosphate + H2O |
- |
GTP + phosphate |
- |
? |
 3.6.1.14 | inosine tetraphosphate + H2O |
- |
ITP + phosphate |
- |
? |
 3.6.1.14 | tripolyphosphate + H2O |
- |
diphosphate + phosphate |
- |
? |