Titlebook: Advances in Solution Chemistry; I. Bertini,L. Lunazzi,A. Dei Book 1981 Plenum Press, New York 1981 Activation.NMR.Rearrangement.Substituti

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NMR Studies of Calcium and Magnesium in Biological Systems,opment has in turn opened new possibilities in the study of calcium and magnesium binding proteins. In the article three proteins are chosen as examples: troponin C, calmodulin and phospholipase A.. The type of information that can be obtained is: (i) binding constants in the range 1 to 10. M.; (ii)

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The Composite Physical and Chemical Approach to the Solution Spatial Structure of Polypeptide Neurocombination of physical and chemical techniques. The paper presents the results of the combined approach for the evaluation of the conformation in solution of honey-bee venom component apamin (18 membered polypeptide), of three dimensional structure of Central Asian cobra neurotoxin II (61 amino aci

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Metalloenzymes and Model Systems. Carbonic Anhydrase: Solvent and Buffer Participation, Isotope Efflow indicator method. The results analyzed in terms of the Michaelis-Menten Scheme exhibited a sigmoidal variation of the turnover number (k.) against pH with a pK. value of about 6.8 at 25.0°. For CO. hydration large k. values were observed in the high pH region, while for HCO. dehydration large k.

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Mechanism of Octahedral Substitutions on Transition Metal Complexes. Attempts to Distinguish Betweehat often there is no sharp distinction between D and I. mechanism. The clear-cut D mechanism is much less frequent than it was originally thought to be the case. In the reaction systems mentioned the kinetic results are more consistent with I. than with D mechanism.

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