Size dependency of circular dichroism in macroaggregates of photosynthetic pigment-protein complexes

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Abstract

Large molecular aggregates, condensed biological macromolecules, intact membrane systems, and cell organelles often exhibit intense anomalous circular dichroism (CD) bands which are absent in systems of lower structural complexity. Theory predicts that in dense, chirally organized macroaggregates the size of the aggregate controls the magnitude of the anomalous CD bands [Keller, D., and Bustamante, C. (1986) J. Chem. Phys. 84, 2972-2979]. Photosynthetic pigment-protein complexes in their native thylakoid membranes and in vitro were used to provide direct experimental evidence of the size dependency of CD in macroaggregates.

Original languageEnglish
Pages (from-to)10837-10841
Number of pages5
JournalBiochemistry
Volume33
Issue number35
Publication statusPublished - 1994

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Dichroism
Circular Dichroism
Pigments
Membranes
Thylakoids
Proteins
Macromolecules
Organelles
Cell Membrane

ASJC Scopus subject areas

  • Biochemistry

Cite this

Size dependency of circular dichroism in macroaggregates of photosynthetic pigment-protein complexes. / Barzda, V.; Mustárdy, L.; Garab, G.

In: Biochemistry, Vol. 33, No. 35, 1994, p. 10837-10841.

Research output: Contribution to journalArticle

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