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Protection of Adenosine 5′-Triphosphate toward Hydrolysis by the Formation of a Mixed-Ligand Metal Ion Complex

✍ Scribed by Dr. David H. Buisson; Doz. Dr. Helmut Sigel

Publisher
John Wiley and Sons
Year
1972
Tongue
English
Weight
116 KB
Volume
11
Category
Article
ISSN
0044-8249

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📜 SIMILAR VOLUMES

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## Abstract With a view on protein–nucleic acid interactions in the presence of metal ions we studied the “simple” mixed‐ligand model systems containing histamine (Ha), the metal ions Ni^2+^, Cu^2+^, or Zn^2+^ (M^2+^), and the nucleotides adenosine 5′‐triphosphate (ATP^4−^) or uridine 5′‐triphospha

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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