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- Alexander Verghese Vaidyan
  
  Articles written in Journal of Chemical Sciences
- Volume 108 Issue 2 April 1996 pp 69-73 Inorganic And Analytical
  
  Intramolecular interligand interaction in zinc(II) and cadmium(II) mixed ligand complexes of ATP and aminoacids or dipeptides or phenolic compounds
  
  Alexander Verghese Vaidyan Pabitra K Bhattacharya
  
  More Details Abstract Fulltext PDF
  
  The stability constants of (MATPL) complexes in aqueous medium have been determined potentiometrically, at 25°C and at an ionic strength of 0.7;2 M (NaClO₄), by using the SCOGS computer program, where M=Zn(II) or Cd(II), ATP=adenosine 5′-triphosphate,l=α-alanine (Ala), phenylalanine (Phe),l-tyrosine (Tyr),l-tryptophan (Trp), glycyl glycine (gg), glycyll-alanine (ga), catechol (cat), orthoaminophenol (oap) and 2,3-dihydroxy naphthalene (dhn). The stability of these ternary complexes is discussed in terms of Δlogk values. Probable reasons for the stabilization or destabilization of the ternary complexes are suggested, with reference to the tetrahedral geometry of the complexes, a point of relevance in the environment around Zn(II) in the metalloenzyme.

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