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Intrinsic fluorescence of mitochondrial F1-ATPase

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Summary

The emission maximum of the fluorescence spectrum of the mitochondrial F1-ATPase in shifted from 305 to 334 nm when the excitation wavelength is altered from 270 to 300 nm. This indicates that both tyrosine and tryptophan contribute to the intrinsic fluorescence of the F1-ATPase.

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Authors and Affiliations

  1. Laboratoire de Biologie et Technologie des Membranes du CNRS, Université Claude Bernard de Lyon I, 43, bd du 11 Novembre 1918, F-69621, Villeurbanne, France

    T. Keira, C. Godinot & D. C. Gautheron

Authors
  1. T. Keira
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  2. C. Godinot
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  3. D. C. Gautheron
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Additional information

Acknowledgments. The authors wish to thank F. Penin for his preparation of F1-ATPase and Drs J. M. Jallon and N. Gains for their stimulating discussions. This research was supported by the CNRS and by the DGRST (contract 77-7-0277).

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Keira, T., Godinot, C. & Gautheron, D.C. Intrinsic fluorescence of mitochondrial F1-ATPase. Experientia 34, 1548–1549 (1978). https://doi.org/10.1007/BF02034664

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