2rcr
From Proteopedia
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'''STRUCTURE OF THE MEMBRANE-BOUND PROTEIN PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES''' | '''STRUCTURE OF THE MEMBRANE-BOUND PROTEIN PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES''' | ||
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[[Category: Norris, J.]] | [[Category: Norris, J.]] | ||
[[Category: Schiffer, M.]] | [[Category: Schiffer, M.]] | ||
| - | [[Category: | + | [[Category: Photosynthetic reaction center]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 16:39:01 2008'' | |
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Revision as of 13:39, 4 May 2008
STRUCTURE OF THE MEMBRANE-BOUND PROTEIN PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES
Overview
The structure of the photosynthetic reaction center (RC) from Rhodobacter sphaeroides was determined at 3.1-A resolution by the molecular replacement method, using the Rhodopseudomonas viridis RC as the search structure. Atomic coordinates were refined with the difference Fourier method and restrained least-squares refinement techniques to a current R factor of 22%. The tertiary structure of the RC complex is stabilized by hydrophobic interactions between the L and M chains, by interactions of the pigments with each other and with the L and M chains, by residues from the L and M chains that coordinate to the Fe2+, by salt bridges that are formed between the L and M chains and the H chain, and possibly by electrostatic forces between the ends of helices. The conserved residues at the N-termini of the L and M chains were identified as recognition sites for the H chain.
About this Structure
2RCR is a Protein complex structure of sequences from Rhodobacter sphaeroides. Full crystallographic information is available from OCA.
Reference
Structure of the membrane-bound protein photosynthetic reaction center from Rhodobacter sphaeroides., Chang CH, el-Kabbani O, Tiede D, Norris J, Schiffer M, Biochemistry. 1991 Jun 4;30(22):5352-60. PMID:2036404 Page seeded by OCA on Sun May 4 16:39:01 2008
