The Reaction Center of Photosynthetic Bacteria: Structure and Dynamics

Front Matter....Pages I-IX
Front Matter....Pages 1-1
Crystallization and Structure of the Photosynthetic Reaction Centres from Rhodobacter sphaeroides - wild type and mutants....Pages 3-13
The Crystal Structure of Allophycocyanin and Its Comparison to C-Phycocyanin and b-Phycoerythrin....Pages 15-22
New Insights into the X-Ray Structure of the Reaction Center from Rhodopseudomonas viridis ....Pages 23-35
Effect of Orbital Asymmetry in P •+ on Electron Transfer in Reaction Centers of Rb. sphaeroides ....Pages 37-50
ENDOR on the Primary Electron Donor Cation Radical of Heterodimer-Double-Mutants of Rb. sphaeroides . Effect of Hydrogen Bonding on the Electronic Structure of Bacteriochlorophyll a -type Radicals....Pages 51-61
Structure Information on the Bacterial Primary Donor P + • , Acceptor Q Ā • , and Radical Pair P + • -Q Ā • as Obtained from High-Field EPR/ENDOR and MO Studies....Pages 63-80
Molecular Triads that Mimic the Spin-Polarized Triplet State In Photosynthetic Reaction Centers....Pages 81-87
Quantum Calculations for the Special Pair Dimer and for Hetero Dimers: Analysis of the Internal Charge Transfer States....Pages 89-104
Macroscopic and Microscopic Estimates of the Energetics of Charge Separation in Bacterial Reaction Centers....Pages 105-116
Electron Transfer in Proteins: Beyond the Single Pathway Approach....Pages 117-131
The role of the protein in the stabilization of the charge separated states in photosynthetic reaction centers....Pages 133-141
Shifts of the Special Pair Redox Potential of Mutants of Rhodobacter sphaeroides Calculated with DelPhi and CHARMM Energy Functions....Pages 143-155
Front Matter....Pages 157-157
The First Femtoseconds of Primary Photosynthesis - The Processes of The Initial Electron Transfer Reaction....Pages 159-173
Femtosecond Kinetics of Special Pair Bleaching and Electron Transfer in Rhodobacter Sphaeroides Reaction Centers....Pages 175-186
Ultrafast Energy Transfer Within the Bacterial Photosynthetic Reaction Center....Pages 187-198
Slow Charge Separation in a Minority of Reaction Centers Correlated with a Blueshift of the P 860 -Band in Rb. Sphaeroides ....Pages 199-215
Reaction Center Heterogeneity Probed by Multipulse Photoselection Experiments With Picosecond Time Resolution....Pages 217-223
Characteristics of the electron transfer reactions in the M210W reaction centre only mutant of Rhodobacter sphaeroides ....Pages 225-237
Ultrafast Electron and Excitation Energy Transfer in Modified Photosynthetic Reaction Centers from Rhodobacter sphaeroides ....Pages 239-254
Pressure Dependence of Energy and Electron transfer in Photosynthetic Complexes....Pages 255-269
Front Matter....Pages 157-157
Femtosecond spectroscopy and vibrational coherence of membrane-bound RCs of Rhodobacter sphaeroides genetically modified at Positions M210 and L181....Pages 271-280
Femtosecond Infrared Spectroscopy on Reaction Centers of Rb. Sphaeroides ....Pages 281-286
Energetics of the Primary Charge Separation in Bacterial Photosynthesis....Pages 287-296
Effects of Static Heterogeneity on the Parallel-Sequential-Superexchange Mechanism for the Primary Charge Separation in Bacterial Photosynthesis....Pages 297-320
Structural and Functional Properties of the State P +· Q -· from Transient EPR Spectroscopy....Pages 321-332
Quantum Beats as Probes of the Primary Events in Bacterial Photosynthesis....Pages 333-339
Alternate Reaction Center Acceptors: Spectral Signatures and Redox Properties of Pheoporphyrin, Zinc and Copper Bacteriochlorin Anion Radicals....Pages 341-351
Protein-Quinone Interactions in Photosynthetic Bacterial Reaction Centers Investigated by Light-Induced FTIR Difference Spectroscopy....Pages 353-367
FTIR spectroscopic characterization of the Q A and Q B binding sites in Rhodobacter sphaeroides R26 reaction centres....Pages 369-380
Site-Directed Isotope Labelling as a Tool in Spectroscopy of Photosynthetic Preparations. Investigations on Quinone Binding in Bacterial Reaction Centers....Pages 381-394
Back Matter....Pages 395-404
....Pages 405-420