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The Six Fold Symmetry of the B880 Light Harvesting Complex

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Pigment-protein complexes of purple photosynthetic bacteria: An overview - Thornber - 1983 - Journal of Cellular Biochemistry - Wiley Online Libra

... Marek Cyrklaff, Herbert Zuber, The Six Fold Symmetry of the B880 Light-Harvesting Complex and the Structure of the Photosynthetic ...

(PDF) The structure and function of bacterial light-harvesting complexes (Revie

PDF | The harvesting of solar radiation by purple photosynthetic bacteria is achieved by circular, integral membrane pigment-protein complexes. There are two main types of light-harvesting complex, termed LH2 and LH1, that function to absorb light energy and to ...

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x2symmetryof theB880-complex.Togetherwiththebiochemicaldatathis suggeststhat six B820-complexbuildoneB880-ringwhere oneB820-subcomplexis identical withoneofthe six subdomains andis furtherdividedinto two minorsubdomains. Thespectroscopiccrystals ...

JOURNAL Variable LH2 stoichiometry and core clustering Rhodospirillum photometric

resolution in the LH2 complex average. The light-harvesting complexes The majority of the LH2 were aligned and averaged to give a ring shaped assembly with nine-fold symmetry (Figure 1C, ...

High‐resolution AFM topographs of Rubrivivax gelatinosus light‐harvesting complex LH2 | The EMBO Journ

Light‐harvesting complexes 2 (LH2) are the accessory antenna proteins in the bacterial photosynthetic apparatus and are built up of αβ‐heterodimers containing three bacteriochlorophylls and one car... ... Log in to EMBO Press

Mineral - Wikiped

for very high-pressure minerals where the compound is compressed such that silicon is in six-fold (octahedral) ... The geometry of the twinning is controlled by the mineral's symmetry. As a result, there are several types of twins, including contact ...

The light-harvesting core-complex and the I3820-subunit from Rhodopseudomonas marina. Part II. Electron microscopic characterisati

The light-harvesting core-complex and the I3820-subunit from Rhodopseudomonas marina. Part II. Electron microscopic characterisation Rainer U ...

The Light Reactions: A Guide to Recent Acquisitions for the Picture Gallery | Plant Ce

But the real wonder of biological reactions lies not in the challenging thermodynamics but rather in the exquisite specificity of and control over these reactions. For efficient use of light energy, it is critical that the excited state should decay only by electron transfer ...

II. Basic Elements of Protein Structure - Richardson Lab & Kinemage Home Pa

Departures from local 2-fold symmetry, especially of side chain positions, in the β strand dimer interaction of insulin. From Blundell ... 3CHB) are common, and many others occur such as the seven-folds of Gro-EL (1DER), the nine-folds of the light-harvesting ...

Computational design of a self-assembling symmetrical β-propeller protein | PN

is clear that the higher the deviation from the six-bladed propeller fold the worse the docking score becomes. ... also indicating a strong preference for the six-bladed structure. Each complex has a size determined by the lowest common multiple (LCM) of ...

Two-dimensional structure of plant photosystem II at 8-Å resolution | Natu

make up the bulk of the biosphere1. The structure of the light-harvesting complex II has been determined at 3.4-Å resolution by electron crystallography2, but the high-resolution structure of the photosystem II reaction centre and other core components ...

NAVER Academic > The purple bacterial photosynthetic un

Now is a very exciting time for researchers in the area of the primary reactions of purple bacterial photosynthesis. Detailed structural information is now available for not only the reaction center (Lancaster et al. 1995, in: Blankenship RE et al. (eds) Anoxygenic ...

Antenna organization in the purple sulfur bacteria Chromatium tepidum and Chromatium vinosum | SpringerLi

Structural aspects of the core antenna in the purple sulfur bacteria Chromatium tepidum and Chromatium vinosumwere studied by means of fluorescence ...

Breaking the Symmetry in Molecular Nanorings – topic of research paper in Nano-technology. Download scholarly article PDF and read for free on .

ABSTRACT: Because of their unique electronic properties, cyclic molecular structures ranging from benzene to natural light-harvesting complexes have received much attention. ...

Light-Harvesting Complex: Rings of light - ScienceDire

The polypeptides that hold these molecules in position are themselves in a circular arrangement with a nine-fold symmetry. ... This advance in our knowledge of the molecular details of this light-harvesting complex should stimulate experiments designed to and ...

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x2symmetryof theB880-complex.Togetherwiththebiochemicaldatathis suggeststhat six B820-complexbuildoneB880-ringwhere oneB820-subcomplexis identical withoneofthe six subdomains andis furtherdividedinto two minorsubdomains. Thespectroscopiccrystals ...

The Fold of Human Aquaporin 1 - Max Planck Socie

The Fold of Human Aquaporin 1 Bert L. de Groot1, J. Bernard Heymann2, Andreas Engel2 Kaoru Mitsuoka3, Yoshinori Fujiyoshi3 and Helmut Grubmu¨ller1* ...

That is successive rotations of a single unit through 360 N result in t

Higher symmetries Octahedral symmetry, designated O has 24 identical units related by three 4-, four 3- and six 2-fold rotational axes. Tetrahedral (Tetramer of Trimers) ...

Crystallization and preliminary X-ray studies on the reaction center–light-harvesting 1 core complex from Rhodopseudomonas viridis (Journal .

Crystallization and preliminary X-ray studies on the reaction center–light-harvesting 1 core complex from Rhodopseudomonas viridis Full Record Other Related Research ...

Disordered Exciton Model for the Core Light-Harvesting Antenna of Rhodopseudomonas virid

strongly coupled BChl b molecules that form a ring-like structure with a 12- or 16-fold symmetry. ... sorption of solar photons by the pigments of the light-harvesting antenna, followed by ultrafast energy transfer until a reaction center is reached in which a charge ...