2RCR

STRUCTURE OF THE MEMBRANE-BOUND PROTEIN PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.10 Å
  • R-Value Observed: 0.220 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Structure of the membrane-bound protein photosynthetic reaction center from Rhodobacter sphaeroides.

Chang, C.H.el-Kabbani, O.Tiede, D.Norris, J.Schiffer, M.

(1991) Biochemistry 30: 5352-5360

  • DOI: 10.1021/bi00236a005
  • Primary Citation of Related Structures:  
    2RCR

  • PubMed Abstract: 
  • 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 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.


    Related Citations: 
    • Comparison of Reaction Centers from Rhodobacter Sphaeroides and Rhodobacter Viridis: Overall Architecture and Protein-Pigment Interactions
      El-Kabbani, O., Chang, C.-H., Tiede, D., Norris, J., Schiffer, M.
      (1991) Biochemistry 30: 5361

    Organizational Affiliation

    Biological and Medical Research Division, Argonne National Laboratory, Illinois 60439.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
PHOTOSYNTHETIC REACTION CENTER (L SUBUNIT)A [auth L]281Cereibacter sphaeroidesMutation(s): 0 
Gene Names: pufL
Membrane Entity: Yes 
UniProt
Find proteins for P0C0Y8 (Rhodobacter sphaeroides)
Explore P0C0Y8 
Go to UniProtKB:  P0C0Y8
Protein Feature View
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  • Reference Sequence
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
PHOTOSYNTHETIC REACTION CENTER (M SUBUNIT)B [auth M]307Cereibacter sphaeroidesMutation(s): 0 
Gene Names: pufM
Membrane Entity: Yes 
UniProt
Find proteins for P0C0Y9 (Rhodobacter sphaeroides)
Explore P0C0Y9 
Go to UniProtKB:  P0C0Y9
Protein Feature View
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
PHOTOSYNTHETIC REACTION CENTER (H SUBUNIT)C [auth H]260Cereibacter sphaeroidesMutation(s): 0 
Gene Names: puhA
Membrane Entity: Yes 
UniProt
Find proteins for P0C0Y7 (Rhodobacter sphaeroides)
Explore P0C0Y7 
Go to UniProtKB:  P0C0Y7
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.10 Å
  • R-Value Observed: 0.220 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 142.2α = 90
b = 139.6β = 90
c = 78.7γ = 90
Software Package:
Software NamePurpose
PROLSQrefinement

Structure Validation

View Full Validation Report




Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1993-07-15
    Type: Initial release
  • Version 1.1: 2008-03-25
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Non-polymer description, Version format compliance