The orientations of reaction center transition moments in the chromatophore membrane of Rhodopseudomonas sphareroides, bases on new linear dichroism and photoselection measurements.


Chromatophore membranes from Rhodopseudomonas sphaeroides were oriented by drying suspensions on the surfaces of glass slides, Polarized spectra of light-induced absorption changes were obtained between 500 and 1000 nm. As observed earlier, these spectra showed negative bands, reflecting photooxidation of the bacteriochlorophyll 'special pair' in the… (More)


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