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Promotion of the hydrolysis of purine-nucleoside 5′-triphosphates by metal ions

✍ Scribed by Helmut Sigel; Fritz Hofstetter; Kurt H. Scheller; Verena Scheller-Krattiger; Mamta Gautam-Basak; Ronald M. Milburn

Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
108 KB
Volume
79
Category
Article
ISSN
0020-1693

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📜 SIMILAR VOLUMES

Hydrolysis of nucleoside phosphates: IV.
Hydrolysis of nucleoside phosphates: IV.* The metal ion - nucleic base interaction in the Cu2+-promoted dephosphorylation of the 5′-di- and 5′-triphosphates of cytidine, inosine and guanosine, and their protection toward hydrolysis by coordination to Cu(2,2′-bipyridyl)2+
✍ Helmut Sigel; David H. Buisson; Bernhard Prijs 📂 Article 📅 1975 🏛 Elsevier Science ⚖ 946 KB

The dephosphorylation of CTP, GTP, ITP, ATP. CDP, GDP, IDP and ADP was characterized by measuring the first-order rate constant (SOa; l = 0.1, NaCIO,) in dependence on pH (2 to 10). Except with CTP and CDP, the reactions are significantly accelerated by Cu" and pass through pH optima. By computing t