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Digitale Medien

31P-NMR spectra of AP4 (1985)

Klaus, W. ; Rösch, P. ; Goody, R. S.

Springer

Research in experimental medicine 185 (1985), S. 145-150

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Details

ISSN: 1433-8580

Schlagwort(e): 31P-NMR spectra ; AP4 ; Resonances

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Summary 31P-NMR spectra were obtained from adenosine-5′-tetraphosphate under a variety of conditions and the four discernible resonances assigned. The pK-value of the metal-free compound was determined to be 6.4, the pK-value of the Mg2+ complex to be 5.3. The dissociation constant for the AP4⋅Mg2+ complex was estimated to be 10−4 M from the downfield shift of the resonances assigned to theγ- andδ-phosphorus nuclei. The binding of a second metal ion can also be followed by NMR; the dissociation constant for this ternary complex is several orders of magnitude larger than that for the binary complex.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01854900

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