Primary Donor Photo-Oxidation in Photosystem I:  A Re-Evaluation of (P700+ − P700) Fourier Transform Infrared Difference Spectra

G Hastings, VM Ramesh, R Wang, V Sivakumar… - Biochemistry, 2001 - ACS Publications
Light-induced Fourier transform infrared (FTIR) difference spectroscopy has been used to
study the photo-oxidation of the primary electron donor (P700) in PS I particles from …

Mutation induced modulation of hydrogen bonding to P700 studied using FTIR difference spectroscopy

R Wang, V Sivakumar, Y Li, K Redding, G Hastings - Biochemistry, 2003 - ACS Publications
Site-directed mutagenesis in combination with Fourier transform infrared difference
spectroscopy has been used to study how hydrogen bonding modulates the electronic and …

Light‐induced Fourier transform infrared spectrum of the cation radical P680+

SI Allakhverdiev, A Ahmed, HA Tajmir-Riahi… - FEBS …, 1994 - Wiley Online Library
The structure of the primary electron donor of photosystem II, P680, is still under debate. It is
not decided if it is composed of a chlorophyll (Chl) monomer or dimer. In this study, Fourier …

The Two Histidine Axial Ligands of the Primary Electron Donor Chlorophylls (P700) in Photosystem I Are Similarly Perturbed upon P700+ Formation

J Breton, W Xu, BA Diner, PR Chitnis - Biochemistry, 2002 - ACS Publications
The extent of delocalization of the positive charge in the oxidized dimer of chlorophyll (Chl)
constituting P700, the primary electron donor of photosystem I (PSI), has been investigated …

FTIR Study of the Primary Electron Donor of Photosystem I (P700) Revealing Delocalization of the Charge in P700+ and Localization of the Triplet Character in 3 …

J Breton, E Nabedryk, W Leibl - Biochemistry, 1999 - ACS Publications
The effect of global 15N or 2H labeling on the light-induced P700+/P700 FTIR difference
spectra has been investigated in photosystem I samples from Synechocystis at 90 K. The …

FTIR Spectroscopy of Synechocystis 6803 Mutants Affected on the Hydrogen Bonds to the Carbonyl Groups of the PsaA Chlorophyll of P700 Supports an Extensive …

M Pantelidou, PR Chitnis, J Breton - Biochemistry, 2004 - ACS Publications
P700, the primary electron donor of photosystem I is an asymmetric dimer made of one
molecule of chlorophyll a '(PA) and one of chlorophyll a (PB). While the carbonyl groups of …

[HTML][HTML] FTIR difference spectroscopy in combination with isotope labeling for identification of the carbonyl modes of P700 and P700+ in photosystem I

R Wang, V Sivakumar, TW Johnson, G Hastings - Biophysical journal, 2004 - cell.com
Room temperature, light induced (P700+-P700) Fourier transform infrared (FTIR) difference
spectra have been obtained using photosystem I (PS I) particles from Synechocystis sp …

Characterization of the primary electron donor of photosystem I, P700, by electrochemistry and Fourier transform infrared (FTIR) difference spectroscopy

E Hamacher, J Kruip, M Rögner, W Mäntele - Spectrochimica Acta Part A …, 1996 - Elsevier
The redox reactions of P700, the primary electron donor of photosystem I (PS I), have been
analyzed by electrochemistry and Fourier transform infrared (FTIR) spectroscopy in two …

Mutation of the Putative Hydrogen-Bond Donor to P700 of Photosystem I

Y Li, MG Lucas, T Konovalova, B Abbott… - Biochemistry, 2004 - ACS Publications
The primary electron donor of photosystem I (PS1), called P700, is a heterodimer of
chlorophyll (Chl) a and a '. The crystal structure of photosystem I reveals that the chlorophyll …

FTIR difference spectrum of the photooxidation of the primary electron donor of photosystem II

J Breton, R Hienerwadel, E Nabedryk - Spectroscopy of biological …, 1997 - Springer
In the isolated D1D2 reaction center (RC) of photosystem II, the primary electron donor
(P680) is thought to consist of a weakly coupled dimer or multimer of chlorophyll α (Ch1) …