We have characterized the interaction between the Zn(2+) ions and the histidine analogues of oxytocin and arginine-vasopressin. Potentiometric methods were used for the determination of the stoichiometry of the complexes formed and the calculation of their stability constants. The NMR measurements revealed detailed structures of the complexes and confirmed the binding mode at physiological pH.
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| http://dx.doi.org/10.1016/j.jinorgbio.2009.04.016 | DOI Listing |
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