634 



Rufus Lumry 



B. Mayne and J. Spikes, Faraday Soc. Disc. 27^, 149 (1959). 



30. C. French, Encyclopedia of Plant Physiology, Springer Verlag, Berlin, 

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31. B. Kok, Biochim. Biophys. Acta 48, 527 (1961); H. Witt, A. MGUer, and 

 B. Rumberg, Nature 192, 967 (19^1). 



32. S. Izawa, M. Itoh, T. Ogawa and K. Shibata," Studies on microalgae and 

 photosynthetic bacteria", Japanese Society of Plant Physiologists, 

 University of Tokyo Press, Tokyo, 1963. 



33. A. Frenkel, personal communication. 



34. A. Samuels, T. Nihei and L. Noda, Proc, Natl. Acad. Sci. (U. S. ) 47, 

 1962 (1961). 



35. R. Griddle, R. Bock, D. Green and H. Tisdale, Biochemistry J_, 827 

 1962). 



ELECTROSTATIC CONTRIBUTION TO THE FREE 

 ENERGY OF THE OXIDATION-REDUCTION REACTION 



H-N-\ 



-nH 



OWN . H-N-\ 



^.n 



IMIDAZOLE 

 HEMOCHROME 



OXIDIZED 

 CYTOCHROME C 



IMIDAZOLE 

 HEMICHROME 



REDUCED 

 CYTOCHROME C 



A Eo= 365 V 

 AF'^-8 3 kcal mole' 



Figure 1. 



