Monomeric chlorophyll a enol: evidence for its possible role as the primary electron donor in photosystem I of plant photosynthesis

The chlorophyll a (Chl a) special-pair model of the primary donor of photosystem I (P700) does not account in a completely adequate fashion for the magnetic resonance properties observed for P700+. Moreover, P700 is at least 420 mV easier to oxidize than is Chl a in vitro. Neither Chl a dimer format...

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Veröffentlicht in:	Proc. Natl. Acad. Sci. U.S.A.; (United States) 1981-05, Vol.78 (5), p.2957-2961
Hauptverfasser:	Wasielewski, Michael R., Norris, James R., Shipman, Lester L., Lin, Chih-Ping, Svec, Walter A.
Format:	Artikel
Sprache:	eng
Schlagworte:	550200 - Biochemistry ABSORPTION SPECTRA Atoms BASIC BIOLOGICAL SCIENCES BINDING ENERGY Biological Sciences: Biophysics CARBOXYLIC ACIDS CHEMICAL REACTIONS CHLOROPHYLL Chlorophylls Electrodes Electron paramagnetic resonance ELECTRONIC STRUCTURE ELECTRONS ELEMENTARY PARTICLES ENDOR ENERGY Ethers FERMIONS HETEROCYCLIC ACIDS HETEROCYCLIC COMPOUNDS LEPTONS MAGNETIC RESONANCE ORGANIC ACIDS ORGANIC COMPOUNDS ORGANIC NITROGEN COMPOUNDS Oxidation PHOTOCHEMICAL REACTIONS PHOTOSYNTHESIS PHYTOCHROMES PIGMENTS Plants PORPHYRINS Protons RESONANCE SPECTRA SYNTHESIS VALENCE
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