… electron donor in this step is the nearest haem of the four-haem cytochrome that is bound
tightly to the reaction centre; … A possible explanation is that reaction centre preparations contain …

… (1-3) On the basis of the identity of the terminal electron acceptor, photosynthetic RCs can
be subdivided into two broad classes. In type I RCs, the terminal acceptor is a [4Fe-4S] cluster, …

… was difficult to concentrate when solubilized in cholate; (iii) the LM dimer is less stable in
the detergent LDAO that is commonly used in reaction center preparations. (19) The LM dimer …

… purple bacterium Rhodospirillum rubrum. It was found that reduction of the secondary quinone
electron acceptor Q … proteins and reaction centers in photosynthetic bacteria using direct …

… unique to photosynthesis is the reaction center (RC), which catalyzes uphill electron transfer
(ET) … In general, RCs are classified by their terminal electron acceptor within the protein. The …

… Conversion of light energy to chemical potential takes place in membrane-spanning reaction
center (RC) proteins of photosynthetic bacteria, algae, and plants. Two transmembrane …

… LH1) to the reaction center (RC) of purple photosynthetic bacteria was … The photosynthesis
of purple bacteria begins with light … The LH1-only preparation from the mutant strain was used …

… In the absence of a soluble electron acceptor, the electron on F A and F B will recombine
with P 700 + through a process of thermal repopulation. The quasi-equilibrium model (…

… geometric and electronic structures of an array of RCs. In this chapter, we review the electronic
and geometric structures of the (B)Chl and (B)Pheo primary electron acceptors from five …

… a ferredoxin electron acceptor [23] rather than as the bound F A and F B terminal electron
acceptors of … of the energy and electron transfer steps catalyzed by this photosynthetic system. …