光系统_PS_的结构与功能研究进展_郁飞.pdf

　2001, 18 (3):266～ 275 Chinese Bulletin of Botany Ⅰ (PSⅠ)① ② 郁　飞　唐崇钦 　辛越勇　彭德川　许亦农　李良璧　匡廷云 (　　100093 ) 　Ⅰ(PS Ⅰ ), PC Fd 。 20 , PS Ⅰ, 。 PSⅠ、PS Ⅰ3 、PS Ⅰ (LHC Ⅰ)PSⅠ 4 , 。 　Ⅰ, , , , Progress in the Structural and Functional Study of Photosystem Ⅰ ② YU Fei 　TANG Chong_Qin 　XIN Yue_Yong 　PENG De_Chu n XU Yi_Nong 　LI Li ng_Bi 　KUANG Ting_Yun (Institute of Botany, The ChineseAcademy of Sciences, Beijing　100093) Abstract　Photosystem Ⅰ (PS Ⅰ)is pigment_protein complex embedded in the photosynthetic membr ne, which includes more th n ten protein subunits, nd c t lyses the tr nsfer of electrons from the PC to the Fd through series of electron tr nsfer components.There is consider ble progress in the structur l nd function l study of PS Ⅰ in the p st two dec des, nd especi lly in re- cent ye rs.In this review, we describe the protein composition of PS Ⅰ nd its ch r cteristics, the three electron tr nsfer processes th t PS Ⅰ medi tes, the unique light h rvesting pigment_protein complex (LHCⅠ)of PS Ⅰ nd the l test 4 resolution three_dimension l structur l biology inform - tion of PS Ⅰ.We lso foresee the future rese rch of PS Ⅰ. Key words　Photosystem Ⅰ, Protein composition, Electron tr nsfer, Light h rvesting complex, Three_dimension l cryst l structure 1　 (、), , 。 、。 , 、 , (, 1998)。 ① (:G 1998010100) 。 ② 。Author for correspondence. :, , 1975 , , 。 :2000-05-18　:2000-07-06　: 3 　:Ⅰ(PS Ⅰ ) 　　 267 :Ⅱ(PS Ⅱ), Ⅰ (PS Ⅰ), Cytb f ATP 。 4 , 6 + H2O NADP ATP O2 。4 (), ⅠP700, - F /F 。 (F /F ) A B A B , , Fd, Fd: +