Complex formation between copper(II) and pentapeptide enkephalin and histidine was studied at various pH values by fast-atom bombardment (FAB) and field-desorption (FD) mass spectrometry and ESR. It was shown that a triple complex, stable over a wide range of pH and detectable in the FD mass spectrum, is formed in the solutions with the components in an equimolar ratio.
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Yatsimirskii, K.B., Pokrovskii, V.A., Kol'chinskii, A.G. et al. Formation of double and triple complexes of copper(II) with enkephalin and histidine. Theor Exp Chem 23, 583–590 (1987). https://doi.org/10.1007/BF01128462
- Mass Spectrometry
- Mass Spectrum
- Complex Formation