10:20 AM
() Chair's Introduction. (Abstract )

10:30 AM
(S1A-1) Energetics of water oxidation in Photosystem II, coupling between proton and electron transfer. (Abstract 3)
Fabrice Rappaport^*,1, Bruce Diner², Jérôme Lavergne³, Alain Boussac⁴, ¹ Institut de Biologie Physico-Chimique, Paris, France² Experimental Station, E. I. du Pont de Nemours & Co., Wilmington, DE, USA³ UMR 6191 CNRS-CEA-Aix Marseille II, Saint Paul lez Durance, France⁴ Service de Bioénergétique, DBJC, Gif-sur-Yvette, France

11:00 AM
(S1A-2) Proton-coupled electron transfer during hydroquinone oxidation in bc complexes and in a biomimetic system. (Abstract 4)
David Kramer¹, Jonathon Cape^*,1, Michael Bowman³, ¹ Institute of Biological Chemistry, Pullman, WA, USA³ WR Wiley Environmental Molecular Sciences Laboratory, Richland, WA, USA

11:20 AM
(S1A-3) Switching the mechanism of bi-directional proton coupled electron transfer from tyrosine and tryptophan. (Abstract 5)
Martin Sjödin^*,1, Stenbjörn Styring², Björn Åkermark³, Licheng Sun³, Leif Hammarström¹, ¹ Department of Physical Chemistry, Uppsala, Sweden² Department of Biochemistry, Lund, Sweden³ Department of Chemistry, Stockholm, Sweden

11:40 AM
(S1A-4) Chloroplast F₁-ATPase: Molecular mechanism of the phytotoxin tentoxin. (Abstract 6)
Nicole Koertgen¹, Claudia Schnick¹, Dirk Bald³, Holger Lill³, Toru Hisabori⁵, Georg Groth^*,1, ¹ University of Duesseldorf, Duesseldorf, Germany³ Department of Structural Biology, Amsterdam, Netherlands⁵ Chemical Resources Laboratory, Yokohama, Japan

12:00 PM
(S1A-5) A novel behavior of -subunit of chloroplast ATP synthase. (Abstract 7)
Kaori Kohzuma^*,1, Kinya Akashi¹, Toru Hisabori^{2, 3}, Hanayo Ueoka-Nakanishi³, Naoyuki Inagaki Inagaki¹, Akiho Yokota¹, ¹ Grad. Sch. Biol. Sci., Nara Inst. Sci. Tech. (NAIST), Ikoma, Nara, Japan² Chem. Resources Lab. Tokyo Inst. Tech., Yokohama, Japan³ ATP System Project, ERATO, JST, Yokohama, Japan