A spin topological model for the g = 4.1 S2 state photosystem II water oxidase manganese aggregate [5]

Journal of the American Chemical Society

Volumn 121, Issue 14, 1999, Pages 3537-3538

  Dubé, Christopher E ^a,d   Sessoli, Roberta ^b   Hendrich, Michael P ^c   Gatteschi, Dante ^b   Armstrong, William H ^a  

^a BOSTON COLLEGE   (United States)

^b UNIVERSITY OF FLORENCE   (Italy)

^c CARNEGIE MELLON UNIVERSITY   (United States)

^d SYMYX TECHNOLOGIES   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

MANGANESE; OXIDOREDUCTASE;

CHEMICAL STRUCTURE; ELECTRON SPIN RESONANCE; LETTER; MAGNETISM; PHOTOSYSTEM II; SPECTRUM; STRUCTURE ANALYSIS; TEMPERATURE DEPENDENCE;

EID: 0033553173     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja9840910     Document Type: Letter

References (31)

1. Britt, R. D. In Oxygenic Photosynthesis: The Light Reactions; Ort, D. R., Yocum, C. F., Eds.; Kluwer Academic Publishers: Dordrecht, The Netherlands, 1996; pp 137-164.
2. Yachandra, V. K.; Sauer, K.; Klein, M. P. Chem. Rev. 1996, 96, 2927-2950.
3. Penner-Hahn, J. E. In Structure and Bonding; Hill, H. A. O., Sadler, P. J., Thomson, A. J., Eds.; Springer-Verlag: Berlin, 1998; Vol. 90, pp 1-36.
4. Dismukes, G. C.; Siderer, Y. FEBS Lett. 1980, 121, 78-80.
5. Boussac, A.; Un, S.; Homer, O.; Rutherford, A. W. Biochemistry 1998, 37, 4001-4007.
6. Casey, J. L.; Sauer, K. Biochim. Biophys. Acta 1984, 767, 21-28.
7. Zimmermann, J. L.; Rutherford, A. W. Biochim. Biophys. Acta 1984, 767, 160-167.
8. Boussac, A.; Girerd, J.-J.; Rutherford, A. W. Biochemistry 1996, 35, 6984-6989.
9. de Paula, J. C.; Beck, W. F.; Brudvig, G. W. J. Am. Chem. Soc. 1986, 108, 4002-4009.
10. Hansson, Ö.; Aasa, R.; Vänngård, T. Biophys. J. 1987, 51, 825-832.
11. Smith, P. J.; Åhrling, K. A.; Pace, R. J. J. Chem, Soc., Faraday Trans. 1993, 89, 2863-2868.
12. Åhrling, K. A.; Smith, P. J.; Pace, R. J. J. Am. Chem. Soc. 1998, 120, 13202-13214.
13. Vänngård, T.; Hansson, Ö.; Haddy, A. In Manganese Redox Enzymes; Pecoraro, V. L., Ed.; VCH Publishers: New York, 1992; pp 105-118.
14. Haddy, A.; Dunham, W. R.; Sands, R. H.; Aasa, R. Biochim. Biophys. Acta 1992, 1099, 25-34.
15. Astashkin, A. V.; Kodera, Y.; Kawamori, A. J. Magn. Reson. 1994, 105B, 113-119.
16. Homer, O.; Rivière, E.; Blondin, G.; Un, S.; Rutherford, A. W.; Girerd, J.-J.; Boussac, A. J. Am. Chem. Soc. 1998, 120, 7924-7928.
17. -.
18. Dubé, C. E.; Wright, D. W.; Pal, S.; Bonitatebus, P. J., Jr.; Armstrong, W. H. J. Am. Chem. Soc. 1998, 120, 3704-3716.
19. Evans, D. J. J. Chem. Soc. 1959, 2003-2005.
20. -1, and g = 1.88 (R. Sessoli et al., manuscript in preparation).
21. 3. The large number of parameters is required by the structural and spin topological features of the cluster. Attempts to use fewer parameters gave a lower quality fit of the data.
22. Hotzelmann, R.; Wieghardt, K.; Florke, U.; Haupt, H.; Weatherburn, D. C.; Bonvoisin, J.; Blondin, G.; Girerd, J. J. Am. Chem. Soc. 1992, 114, 1681-1696.
23. Kahn, O. In Magneto-Structural Correlations in Exchange Coupled Systems; Willett, R. D. G., D.; Kahn, O., Eds.; D. Reidel: Dordrecht, 1985; pp 37-56.
24. IV zfs, as well as those introduced by anisotropic interactions.
25. Bencini, A.; Gatteschi, D. In EPR of Exchange Coupled Systems; Springer-Verlag: Berlin, 1990; pp 86-120.
26. Barra, A.-L.; Gatteschi, D.; Sessoli, R.; Abbati, G. L.; Cornia, A.; Fabretti, A. C.; Uytterhoeven, M. G. Angew. Chem., Int. Ed. Engl. 1997, 36, 2329-2331.
27. 4.
28. 55Mn hyperfine splitting. Samples of various concentrations did not show resolved hyperfine, suggesting that the broad lines are not due to molecule aggregation. Additional details concerning the simulation program will be in a forthcoming publication.
29. A. Haddy, private communication.
30. Bergmann, U.; Grush, M. M.; Home, C. R.; DeMarios, P.; Penner-Hahn, J. E.; Yocum, C. F.; Wright, D. W.; Dubé, C. E.; Armstrong, W. H.; Christou, G.; Eppley, H. J.; Cramer, S. P. J. Phys. Chem. B 1998, 102, 8350-8352.
31. 2 state manganese aggregate.