The eighth bacteriochlorophyll completes the excitation energy funnel in the FMO protein

Marcel Schmidt Am Busch, Frank Müh, Mohamed Madjet, Thomas Renger

Research output: Contribution to journalArticle

136 Citations (Scopus)

Abstract

The Fenna-Matthews-Olson (FMO) light-harvesting protein connects the outer antenna system (chlorosome/baseplate) with the reaction center complex in green sulfur bacteria. Since its first structure determination in the mid-70s, this pigment-protein complex has become an important model system to study excitation energy transfer. Recently, an additional bacteriochlorophyll a (the eighth) pigment was discovered in each subunit of this homotrimer. Our structure-based calculations of the optical properties of the FMO protein demonstrate that the eighth pigment is the linker to the baseplate, confirming recent suggestions from crystallographic studies.

Original languageEnglish
Pages (from-to)93-98
Number of pages6
JournalJournal of Physical Chemistry Letters
Volume2
Issue number2
DOIs
Publication statusPublished - 20 Jan 2011
Externally publishedYes

Fingerprint

Bacteriochlorophylls
Excitation energy
Pigments
Proteins
Chlorobi
Energy Transfer
Sulfur
Energy transfer
Bacteria
Optical properties
Antennas
Light

Keywords

  • Biophysical Chemistry

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

The eighth bacteriochlorophyll completes the excitation energy funnel in the FMO protein. / Schmidt Am Busch, Marcel; Müh, Frank; Madjet, Mohamed; Renger, Thomas.

In: Journal of Physical Chemistry Letters, Vol. 2, No. 2, 20.01.2011, p. 93-98.

Research output: Contribution to journalArticle

Schmidt Am Busch, Marcel ; Müh, Frank ; Madjet, Mohamed ; Renger, Thomas. / The eighth bacteriochlorophyll completes the excitation energy funnel in the FMO protein. In: Journal of Physical Chemistry Letters. 2011 ; Vol. 2, No. 2. pp. 93-98.
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