The Dependence of Biological Electron Transfer Rates on Exothermicity: The Cytochrome c/Cytochrome b5Couple

Journal of the American Chemical Society

Volumn 107, Issue 26, 1985, Pages 7811-7816

  McLendon, George ^a   Miller, John R ^b  

^a UNIVERSITY OF ROCHESTER   (United States)

^b ARGONNE NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001755273     PISSN: 00027863     EISSN: 15205126     Source Type: Journal    
DOI: 10.1021/ja00312a002     Document Type: Article

References (19)

1. Recent theoretical treatments of the dependence of rates of (biological) electron transfer on distance and exothermicity include the following: (a) Hopfield, J. Proc. Natl. Acad. Sci. U.S.A. 1974, 71, 3640–3644. (b) Jortner, J. J. Am. Chem. Soc. 1980, 102, 6676–6680. (c) Marcus, R. Faraday Soc. Discuss. 1982, 74, 1–10.
2. (a) Winkler, J.; Nocera, D.; Yocum, K.; Bordignon, E.; Gray, H. B. J. Am. Chem. Soc. 1982, 104, 5798–5800. (b) McLendon, K.; Simolo, A. G.; Mauk, M. J. Am. Chem. Soc. 1984, 106, 5012–5013. (c) McLendon, G.; Winkler, J.; Nocera, D.; Mauk, A. G.; Gray, H. B. J. Am. Chem. Soc. 1985, 107, 739–740. (d) McGourty, J.; Blough, N.; Hoffman, B. J. Am. Chem. Soc. 1983, 105, 4470–4472. (e) Isied, S.; Kuehn, C.; Worosilia, G. J. Am. Chem. Soc. 1984, 106, 1722. (f) Isied, S.; Worosilia, G.; Atherton, S. J. Am. Chem. Soc. 1982, 104, 7659. (g) Devault, D.; Chance, B. Biophys. J. 1966, 16, 825–847.
3. (a) Miller, J.; Closs, G.; Calcaterra, L. J. Am. Chem. Soc. 1984, 106, 3047–3049. (b) Beitz, J.; Huddleston, K.; Miller, J. J. Am. Chem. Soc. 1984, 106, 5057. (c) Miller, J. Science 1975, 189, 221–224. (d) Guarr, T.; McGuire, M.; McLendon, G. J. Am. Chem. Soc. 1983, 105 616–619.
4. Other recent examples of fixed distance electron transfer reactions include the following: (a) Passman, P.; Verhoeven, J.; DeBoerth, Chem. Phys. Lett. 1978, 57, 530. (b) Creutz, C.; Kroger, P.; Matsubara, T.; Netzel, T.; Sutin, N. J. Am. Chem, Soc. 1979, 101, 5442–5443. (c) Kira, S.; Nosaka, Y.; Imamura, M. J. Phys. Chem. 1980, 84, 1882. (d) Moore, T.; Gust, D.; Mathis, P.; Mialocq, J.; Chachaty, C.; Bonsasson, V.; Land, E.; Doizi, D.; Liddell, P.; Lehman, W.; Neweth, G.; Moore, A. Nature (London) 1984, 307, 630. (e) Wasielewski, M.; Niemczyk, M. J. Am. Chem. Soc. 1984, 106, 5043. Wasielewski, M.; Niemczyk, M.; Suec, W.; Pewitt, E. B., submitted. A more detailed bibliography is available in ref 3b.
5. Poulos, T.; Finzel, B. Peptide Protein Revs. 1984, 4, 115–171.
6. See, for example: Rehm, D.; Weller, A. Isr. J. Chem. 1970, 8, 259.
7. Important data are available, however, for the dependence of rate on AG in diffusional systems involving small molecule donors. These results are complicated by the distance dependence of electron transfer, see: Mauk, G.; Scott, R.; Gray, H. J. Am. Chem. Soc. 1980, 102, 4360–4363 and references therein.
8. (a) Salemme, F. R. J. Mol. Biol. 1976, 102, 563–568. (b) Mauk, M.; Mauk, A. G. Biochemistry 1982, 21, 1843–1846. (c) For benzophenone, only one experiment was performed, thus no standard deviation is reported. Independent experiments demonstrated benzophenone anion radical was stable under our conditions for a few microseconds.
9. (a) Moore, G.; Williams, R. J. P.; Chien, J. C. W.; Dickinson, L. C. J. Inorg. Biochem. 1980, 13, 1–15. (b) Fisher, W.; Taniuchi, H.; Anfinsen, C. B. J. Biol. Chem. 1973, 248, 3188–95. (c) Smith, M.; McLendon, G. J. Biol. Chem. 1978, 253, 4004. (d) Sandberg, K.; McLendon, G. J. Biol. Chem. 1978, 253, 3913.
10. Magner, E.; McLendon, G., to be published.
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15. See for example: (a) Churg, A.; Weiss, R.; Warshal, A.; Takano, T.; J. Phys. Chem. 1983, 87, 1683–1694. (b) Warshel, A.; Churg, A. J. Mol. Biol. 1983, 168, 693–697. (c) Moore, G.; Huang, Z. X.; Eley, G. S.; Barker, H.; Williams, G.; Robinson, M.; Williams, R. J. P. Discuss. Faraday Soc. 1982, 74, 311–329. (d) Freed, K. Chem. Phys. Lett. 1983, 97, 489–493.
16. (a) Krongauz, V.; Miller, J. R., to be published. (b) McGuire, M.; Guarr, T.; McLendon, G. J. Phys. Chem., submitted for publication.
17. Peterson-Kennedy, S.; McGourty, J.; Hofmann, B. J. Am. Chem. Soc. 1984, 106, 5010–5012.
18. McLendon, G.; English, A.; Miller, J. R. Proc. Natl. Acad. Sci., in press.
19. Case, R.; Marcus, R.; Siders, P. J. Chem. Phys. 1984, 81, 5613–5624.