2:40 PM
() Chair's Introduction. (Abstract )

2:50 PM
(S4Aa-1) Crystal structure of spinach major light-harvesting complex at 2.72 resolution. (Abstract 66)
Zhenfeng Liu^*,1, Hanchi Yan¹, Kebin Wang², Tingyun Kuang², Jiping Zhang¹, Lulu Gui¹, Xiaomin An¹, Wenrui Chang¹, ¹ National Laboratory of Biomacromolecules, Beijing, P. R. China² Laboratory of Photosynthesis and Environmental Molecular Physiology, Beijing, P. R. China

3:20 PM
(S4Aa-2) Chl to Chl energy transfer in the LHCII trimer. (Abstract 67)
Juha Linnanto, Jari Martiskainen¹, Viivi Lehtovuori¹, Pasi Myllyperkio¹, Robertas Kananavicius¹, Janne Ihalainen¹, Jouko Korppi-Tommola^*,1, ¹ Physical Chemistry Laboratory, Jyvaskyla, Finland

3:40 PM
(S4Aa-3) The molecular basis of the low energy absorption forms of LHCI. (Abstract 68)
Roberta Croce^*,1, Tomas Morosinotto^{2, 3}, Roberto Bassi^{2, 3}, ¹ Istituto di Biofisica - CNR, Povo - Trento, Italy² Dipartimento Scientifico e Tecnologico, Verona, Italy³ Université Aix-Marseille II, LGBP- Faculté des Sciences de Luminy - Département de Biologie - Case 901 - 163, Avenue de Luminy -, Marseille, France

4:00 PM
(S4Aa-4) Energy transfer pathways of Photosystem I studied by modified Redfield theory and photon echo spectroscopy. (Abstract 69)
Harsha Vaswani^*,1, Jens Stenger¹, Mino Yang², Ana Damjanovic⁴, Petra Fromme³, Graham Fleming¹, ¹ Department of Chemistry, University of California, Berkeley and, Berkeley, CA, U.S.A.² Department of Chemistry and Institute for Basic Sciences Research, Chungbuk National University, Cheongju, South Korea⁴ Biophysics Department, John Hopkins University, Baltimore, Maryland, U.S.A.³ Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona, U.S.A.

4:20 PM
(S4Aa-5) Picosecond fluorescence kinetics in PSI-LHCI complexes from A. thaliana and C. reinhardtii. (Abstract 70)
Janne Ihalainen^*,1, Ivo Stokkum¹, Jan Dekker¹, Rienk van Grondelle¹, ¹ Free University Amsterdam, Amsterdam, the Netherlands