Circular dichroism of carotenoids in bacterial light-harvesting complexes: Experiments and modeling

S. Georgakopoulou; R. van Grondelle; G. van der Zwan

doi:10.1529/biophysj.104.047498

Circular dichroism of carotenoids in bacterial light-harvesting complexes: Experiments and modeling

S. Georgakopoulou, R. van Grondelle, G. van der Zwan

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Abstract

In this work we investigate the origin and characteristics of the circular dichroism (CD) spectrum of rhodopin glucoside and lycopene in the light-harvesting 2 complex of Rhodopseudomonas acidophila and Rhodospirillum molischianum, respectively. We successfully model their absorption and CD spectra based on the high-resolution structures. We assume that these spectra originate from seven interacting transition dipole moments: the first corresponds to the 0-0 transition of the carotenoid, whereas the remaining six represent higher vibronic components of the S

Original language	English
Pages (from-to)	3010-3022
Journal	Biophysical Journal
Volume	87
Issue number	5
DOIs	https://doi.org/10.1529/biophysj.104.047498
Publication status	Published - 2004

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Circular dichroism of carotenoids in bacterial light-harvesting complexes: Experiments and modeling

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10.1529/biophysj.104.047498

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title = "Circular dichroism of carotenoids in bacterial light-harvesting complexes: Experiments and modeling",

abstract = "In this work we investigate the origin and characteristics of the circular dichroism (CD) spectrum of rhodopin glucoside and lycopene in the light-harvesting 2 complex of Rhodopseudomonas acidophila and Rhodospirillum molischianum, respectively. We successfully model their absorption and CD spectra based on the high-resolution structures. We assume that these spectra originate from seven interacting transition dipole moments: the first corresponds to the 0-0 transition of the carotenoid, whereas the remaining six represent higher vibronic components of the S",

author = "S. Georgakopoulou and {van Grondelle}, R. and {van der Zwan}, G.",

note = "Circular dichroism of carotenoids in bacterial light-harvesting complexes: Experiments and modeling",

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PY - 2004

Y1 - 2004

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AB - In this work we investigate the origin and characteristics of the circular dichroism (CD) spectrum of rhodopin glucoside and lycopene in the light-harvesting 2 complex of Rhodopseudomonas acidophila and Rhodospirillum molischianum, respectively. We successfully model their absorption and CD spectra based on the high-resolution structures. We assume that these spectra originate from seven interacting transition dipole moments: the first corresponds to the 0-0 transition of the carotenoid, whereas the remaining six represent higher vibronic components of the S

U2 - 10.1529/biophysj.104.047498

DO - 10.1529/biophysj.104.047498

M3 - Article

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EP - 3022

JO - Biophysical Journal

JF - Biophysical Journal

SN - 0006-3495

IS - 5

ER -

Circular dichroism of carotenoids in bacterial light-harvesting complexes: Experiments and modeling

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