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Characterization of Bchl A’s in B873, B820 and B777 of Light-Harvesting Complex 1 (LH1) from Rhodospirillum Rubrum by Magnetic Circular Dichroism

Budapest, Hungary, 17–22 August 1998

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Photosynthesis: Mechanisms and Effects

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Abstract

The light-harvesting pigment-protein complexes (LH) collect light energy highly efficiently and transfer it to the photosynthetic reaction centers (RC). In the purple photosynthetic bacteria there are two types of membrane bound antennae which are called LH1 and LH2. Rhodospillirum (Rs.) rubrum a purple photosynthetic bacterium has only LH1 as the antenna complex. The absorption maximum of the isolated LH1 is located at 880mn and shifted to 873nm, 820nm and 777nm in the increased concentrations of n-octy1-β-D-glucopyranoside (OG) as a detergent [1]. The LH1 is composed of two bacteriochlorophyll (BChl) a and a carotenoid as pigments and two ca. 6-kilodalton polypeptides which is called α- and β-polypeptides [2].

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Author information

Authors and Affiliations

  1. Department of Biomolecular Engineering, Graduate School of Engineering, and Center for Interdisciplinary Research, Tohoku University, Aobayama07, Sendai 980-8579, Japan

    Masayuki Kobayashi, Mitsuo Umetsu, Insan Fathir, Satoshi Miyano, Kenji Yoza, Zheng-Yu Wang & Tsunenori Nozawa

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  1. Masayuki Kobayashi
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  2. Mitsuo Umetsu
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  3. Insan Fathir
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  4. Satoshi Miyano
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  5. Kenji Yoza
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  6. Zheng-Yu Wang
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  7. Tsunenori Nozawa
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Editors and Affiliations

  1. Biological Research Center, Hungarian Academy of Sciences, Szeged, Hungary

    G. Garab

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© 1998 Springer Science+Business Media Dordrecht

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Kobayashi, M. et al. (1998). Characterization of Bchl A’s in B873, B820 and B777 of Light-Harvesting Complex 1 (LH1) from Rhodospirillum Rubrum by Magnetic Circular Dichroism. In: Garab, G. (eds) Photosynthesis: Mechanisms and Effects. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3953-3_13

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  • DOI: https://doi.org/10.1007/978-94-011-3953-3_13

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-0-7923-5547-2

  • Online ISBN: 978-94-011-3953-3

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