Tunneling matrix element in Ru-modified blue copper proteins: Pruning the protein in search of electron transfer pathways

Inorganica Chimica Acta

Volumn 243, Issue 1-2, 1996, Pages 271-282

  Gehlen, John N ^a   Daizadeh, Iraj ^a   Stuchebrukhov, A A ^a   Marcus, R A ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Blue copper protein; Electron transfer; Ru modified

Indexed keywords

ATOMS; BACTERIA; COPPER; ELECTRON TRANSITIONS; ELECTRON TUNNELING; SYNTHESIS (CHEMICAL);

BLUE-COPPER PROTEINS; ELECTRON TRANSFER; ELECTRON TRANSFER PATHWAYS; PSEUDOMONAS AERUGINOSA; THEORY CALCULATION; TRANSITION AMPLITUDES; TUNNELING MATRIX ELEMENT; TUNNELING MECHANISM;

PROTEINS;

EID: 0001222439     PISSN: 00201693     EISSN: None     Source Type: Journal    
DOI: 10.1016/0020-1693(95)04917-7     Document Type: Article

References (41)

1. R. Langen, I. Chang, J.P. Germanas, J.H. Richards, J.R. Winkler and H.B. Gray, Science, 268 (1995) 1733.
2. C.C. Moser, J.M. Keske, K. Warncke, R.S. Farid and P.L. Dutton, Nature, 355 (1992) 796.
3. S. Risser, D.N. Beratan and T. Mead, J. Am. Chem. Soc., 115 (1993) 2508.
4. J.N. Onuchic and D.N. Beratan, J. Chem. Phys., 92 (1990) 722.
5. J.N. Onuchic, P.C. Andrade and D.N. Beratan, J. Chem. Phys., 95 (1991) 1131.
6. J.N. Onuchic, D.N. Beratan, J.R. Winkler and H.B. Gray, Annu. Rev. Biophys. Biomol. Struct., 21 (1992) 349.
7. S.S. Skourtis, J.J. Regan and J.N. Onuchic, J. Phys. Chem., 98 (1994) 3379.
8. J.N. Betts, D.N. Beratan and J.N. Onuchic, J. Am. Chem. Soc., 114 (1992) 4043.
9. J.N. Onuchic, D.N. Beratan, J.R. Winkler and H.B. Gray, Science, 258 (1992) 1740.
10. D.N. Beratan, J.N. Betts and J.N. Onuchic, Science, 252 (1991) 1285.
11. M. Gruschus and A. Kuki, J. Phys. Chem., 97 (1993) 5581.
12. A. Kuki and P.G. Wolynes, Science, 236 (1987) 1647.
13. J.W. Evenson and M. Karplus, Science, 262 (1993) 1247.
14. J.W. Evenson and M. Karplus, J. Chem. Phys., 96 (1992) 5272.
15. A. Okada, T. Kakitani and J. Inoue, J. Phys. Chem., 99 (1995) 2946.
16. A.A. Stuchebrukhov and R.A. Marcus, J. Phys. Chem., 99 (1995) 7581.
17. A.A. Stuchebrukhov, Chem. Phys. Lett., 225 (1994) 55.
18. P. Siddarth and R.A. Marcus, J. Phys. Chem., 94 (1993) 8430.
19. P. Siddarth and R.A. Marcus, J. Phys. Chem., 94 (1993) 2985.
20. P. Siddarth and R.A. Marcus, J. Phys. Chem., 96 (1992) 3213.
21. P. Siddarth and R.A. Marcus, J. Phys. Chem., 97 (1993) 2400.
22. P. Siddarth and R.A. Marcus, J. Phys. Chem., 97 (1993) 13078.
23. A.W. Axup, M. Albin, S.L. Mayo, R.J. Crutchley and H.B. Gray, J. Am. Chem. Soc., 110 (1988) 435.
24. D.S. Wuttke, M.J. Bjerrum, I. Chang, J.R. Winkler and H.B. Gray, Biochim. Biophys. Acta, 1101 (1991) 168.
25. D.R. Casimiro, J.H. Richards, J.R. Winkler and H.B. Gray, J. Phys. Chem., 97 (1993) 13073.
26. R. Hoffmann, J. Chem. Phys., 39 (1963) 1397.
27. (a) R. Hoffmann, J. Chem. Phys., 40 (1964) 2245;
28. (b) R. Hoffmann, J. Chem. Phys., 40 (1964) 2474;
29. (c) R. Hoffmann, J. Chem. Phys., 40 (1964) 2480.
30. The Biograph data files containing atomic coordinates of the modified azurin molecules were kindly provided by Ralf Langen, a member of Harry Gray's research group.
31. 126 are 3.14, 2.45, 2.00, 2.12 and 2.82 Å. Finally, the respective distances in the X-ray structure of the unmodified azurin molecule are 3.15, 2.25, 2.11, 2.03 and 2.97 Å. Note, the X-ray structure was taken at pH 5.5 with the copper ion in its oxidized form.
32. H. Nar, A. Messerschmidt, R. Huber, M. van de Kamp and G.W. Canters, J. Mol. Biol., 221 (1991) 765.
33. S. Larsson, A. Broo and L. Sjölin, J. Phys. Chem., 99 (1995) 4860.
34. A.A. Gewirth and E.I. Solomon, J. Am. Chem. Soc., 110 (1988) 3811.
35. J.A. Guckert, M.D. Lowery and E.I. Solomon, J. Am. Chem. Soc., 117 (1995) 2817.
36. i.
37. M.D. Newton, Int. J. Quantum Chem. Phys., Quantum Chem. Symp., 14 (1980) 363.
38. M.D. Newton, Chem. Rev., 91 (1991) 767.
39. C.X. Liang and M.D. Newton, J. Phys. Chem., 97 (1993) 3199.
40. R. Langen, J.L. Colon, D.R. Casimiro, T.B. Karpishin, J.R. Winkler and H.B. Gray, J. Biol. Inorg. Chem., (1996) in press.
41. R. Langen, Ph.D. Thesis, California Institute of Technology, 1995.