ICCAS OpenIR
Analysis of the disk-to-disk energy transfer processes in C-phycocyanin complexes by computer simulation technique
Xie, J; Zhao, JQ; Peng, CH
2002
Source PublicationPHOTOSYNTHETICA
ISSN0300-3604
Volume40Issue:2Pages:251-257
AbstractBased on the crystal structure and spectral properties of C-phycocyanin (C-PC) from cyanobacteria, models for complexes with 2 and 3 C-PC hexamer disks were built and the energy transfer dynamic properties were studied by the use of stochastic computer simulation approach. In addition, an experimental parameter of 0.056 ps(-1), corresponding to a time constant of 18 ps, derived from the previous time-resolved measurement, was used for simulation of the energy transfer process from the three terminal symmetrically equivalent beta(84) chromophores of the core-linked disk to an alpha(84) chromophore of the allophycocyanin (APC) core. The simulation showed: (1) The disk-to-disk energy transfer can be as fast as several picoseconds. (2) The energy transfer efficiencies from the first disk to the core would depend on the length of the rod (i.e. the number of disks). Efficiencies of 0.95, 0.87, and 0.75 were found for the rods with 1, 2 and 3 hexamer disks, respectively. (3) The energy transfer along a rod in a native phycobilisome (PBS) is probably very close to the one-way manner. It is the core of PBS that makes the excitation energy be transferred fast in a nearly one-way manner.
KeywordAllophycocyanin Dynamics Kinetics Model Phycobilisome
Indexed BySCI
Language英语
WOS IDWOS:000178798900015
PublisherACAD SCI CZECH REPUBLIC, INST EXPERIMENTAL BOTANY
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/79584
Collection中国科学院化学研究所
Corresponding AuthorZhao, JQ
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Inst Biophys, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Xie, J,Zhao, JQ,Peng, CH. Analysis of the disk-to-disk energy transfer processes in C-phycocyanin complexes by computer simulation technique[J]. PHOTOSYNTHETICA,2002,40(2):251-257.
APA Xie, J,Zhao, JQ,&Peng, CH.(2002).Analysis of the disk-to-disk energy transfer processes in C-phycocyanin complexes by computer simulation technique.PHOTOSYNTHETICA,40(2),251-257.
MLA Xie, J,et al."Analysis of the disk-to-disk energy transfer processes in C-phycocyanin complexes by computer simulation technique".PHOTOSYNTHETICA 40.2(2002):251-257.
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