1. Iron Sulfur Proteins (Academic, New York and London, 1973, 1977), Vols. I, II, and III.
2. R. N. Mullinger, R. Cammack, K. K. Rao, D. O. Hall, D. P. E. Dickson, C. E. Johnson, J. D. Rush, and A. Simopoulos, Biochem. J. 151, 75 (1975).BIJOAK0264-6021
3. EPR X‐band measurements at 24 K give gx = 1. 895, gy = 1. 931, gg = 2. 063, gx and gg correspond to the extreme turning points and gy to the crossover point of the derivative spectrum.
4. For references, see H. Blum, J. C. Salerno, P. R. Rich, and T. Ohnishi, Biochim. Biophys. Acta 548, 139 (1979); BBACAQ0006-3002
5. and Ref. 6(b).