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Electron Spin Resonance Hyperfine Splittings from Zinc and Cadmium in Flavin Radical Chelates

Nature volume 212, pages 503–504 (1966)Cite this article

Abstract

FLAVIN has an appreciable affinity for metal ions at physiological pH values only in its radical (semiquinoid) state. Thus in the presence of some valence stable divalent metal ions (Zn2+, Cd2+) in partially reduced flavin solutions, radical metal ion chelates which have characteristic light and electron spin resonance (ESR) absorptions1–3 are formed. We have therefore studied these chelates in some detail by means of ESR spectroscopy.

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References

  1. Hemmerich, P., DerVartanian, D. V., Veeger, C., and Van Voorst, J. D. W., Biochim. Biophys. Acta, 77, 504 (1963).

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Authors and Affiliations

  1. Medicinska Nobelinstitutet, Biokemiska avdelningen, Karolinska Institutet, Stockholm, Sweden

    ANDERS EHRENBERG, L. E. GÖRAN ERIKSSON & FRANZ MÜLLER

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  1. ANDERS EHRENBERG
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  2. L. E. GÖRAN ERIKSSON
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  3. FRANZ MÜLLER
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EHRENBERG, A., ERIKSSON, L. & MÜLLER, F. Electron Spin Resonance Hyperfine Splittings from Zinc and Cadmium in Flavin Radical Chelates. Nature 212, 503–504 (1966). https://doi.org/10.1038/212503a0

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  • DOI: https://doi.org/10.1038/212503a0

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