Structure of the cytochrome b6f (plastohydroquinone : plastocyanin oxidoreductase) from Chlamydomonas reinhardtii
1Q90
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Photosynthesis
    Structure Weight: 113856.01
    Molecule: Apocytochrome f
    Polymer: 1 Type: protein Length: 292
    Chains: A
    Fragment: Residues 1-292
    Mutation: 6 His tag at C-terminus
    Organism: Chlamydomonas reinhardtii
    Gene Name: petA
    UniProtKB: Protein Feature View | Search PDB | P23577  
    Molecule: Cytochrome b6
    Polymer: 2 Type: protein Length: 215
    Chains: B
    Fragment: Residues 4-215
    Organism: Chlamydomonas reinhardtii
    Gene Name: petB
    UniProtKB: Protein Feature View | Search PDB | Q00471  
    Molecule: Cytochrome B6-F complex iron-sulfur subunit
    Polymer: 3 Type: protein Length: 127
    Chains: C
    EC#: 1.10.9.1   
    Fragment: Soluble domain
    Organism: Chlamydomonas reinhardtii
    Gene Name: petC
    UniProtKB: Protein Feature View | Search PDB | P49728  
    Molecule: Cytochrome b6-f complex subunit 4
    Polymer: 4 Type: protein Length: 159
    Chains: D
    Fragment: Residues 4-159
    Organism: Chlamydomonas reinhardtii
    Gene Name: petD
    UniProtKB: Protein Feature View | Search PDB | P23230  
    Molecule: Cytochrome B6-F complex iron-sulfur subunit
    Polymer: 5 Type: protein Length: 49
    Chains: R
    EC#: 1.10.9.1   
    Fragment: Transmembrane domain
    Organism: Chlamydomonas reinhardtii
    Gene Name: petC
    UniProtKB: Protein Feature View | Search PDB | P49728  
    Molecule: Cytochrome b6f complex subunit petG
    Polymer: 6 Type: protein Length: 37
    Chains: G
    Fragment: Residues 1-30
    Organism: Chlamydomonas reinhardtii
    Gene Name: petG
    UniProtKB: Protein Feature View | Search PDB | Q08362  
    Molecule: Cytochrome b6f complex subunit petL
    Polymer: 7 Type: protein Length: 32
    Chains: L
    Fragment: Residues 1-32
    Organism: Chlamydomonas reinhardtii
    Gene Name: petL
    UniProtKB: Protein Feature View | Search PDB | P50369  
    Molecule: Cytochrome b6f complex subunit PETM
    Polymer: 8 Type: protein Length: 39
    Chains: M
    Fragment: Residues 62-95
    Organism: Chlamydomonas reinhardtii
    Gene Names: petM petX
    UniProtKB: Protein Feature View | Search PDB | Q42496  
    Molecule: Cytochrome b6f complex subunit PETN
    Polymer: 9 Type: protein Length: 31
    Chains: N
    Fragment: Residues 68-98
    Organism: Chlamydomonas reinhardtii
    Gene Names: PETN CHLREDRAFT_177155
    UniProtKB: Protein Feature View | Search PDB | P0C1D4  
    Membrane Protein:   Source: mpstruc
    ALPHA-HELICAL
    Electron Transport Chain Complexes: Cytochrome b6f of Oxygenic Photosynthesis
    Cytochrome b6f complex
     
  •   Structure Validation Hide

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  • MolProbity Ramachandran Plot
     

  •   Related Citations in PDB Entry (REMARK 1) Hide
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Chlamydomonas reinhardtii   Taxonomy   Expression System: Chlamydomonas reinhardtii  
    Polymer: 2
    Scientific Name: Chlamydomonas reinhardtii   Taxonomy   Expression System: Chlamydomonas reinhardtii  
    Polymer: 3
    Scientific Name: Chlamydomonas reinhardtii   Taxonomy   Expression System: Chlamydomonas reinhardtii  
    Polymer: 4
    Scientific Name: Chlamydomonas reinhardtii   Taxonomy   Expression System: Chlamydomonas reinhardtii  
    Polymer: 5
    Scientific Name: Chlamydomonas reinhardtii   Taxonomy   Expression System: Chlamydomonas reinhardtii  
    Polymer: 6
    Scientific Name: Chlamydomonas reinhardtii   Taxonomy   Expression System: Chlamydomonas reinhardtii  
    Polymer: 7
    Scientific Name: Chlamydomonas reinhardtii   Taxonomy   Expression System: Chlamydomonas reinhardtii  
    Polymer: 8
    Scientific Name: Chlamydomonas reinhardtii   Taxonomy   Expression System: Chlamydomonas reinhardtii  
    Polymer: 9
    Scientific Name: Chlamydomonas reinhardtii   Taxonomy   Expression System: Chlamydomonas reinhardtii  
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    BCR
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    BCR C40 H56
    BETA-CAROTENE
    CLA
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    CLA C55 H72 Mg N4 O5
    CHLOROPHYLL A
    CLA:1Q90
    FES
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    FES Fe2 S2
    FE2/S2 (INORGANIC) CLUSTER
    HEM
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    HEM C34 H32 Fe N4 O4
    PROTOPORPHYRIN IX CONTAINING FE
    LFA
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    LFA C20 H42
    EICOSANE
    LMG
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    LMG C45 H86 O10
    1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE
    LMG:1Q90
    SQD
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    SQD C41 H78 O12 S
    1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA- D-GLUCOPYRANOSYL]-SN-GLYCEROL
    SQD:1Q90
    TDS
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    TDS C25 H38 O5
    8-HYDROXY-5,7-DIMETHOXY-3-METHYL-2-TRIDECYL- 4H-CHROMEN-4-ONE
    TDS:1Q90
     
  •   External Domain Annotations Hide
     
  •   Structural Biology Knowledgebase Data Hide
     
 
Data in orange boxes are gathered from external resources (when available).
  Biological Assembly 1       
Biological assembly 1 assigned by authors and generated by PISA (software)
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  •   MyPDB Personal Annotations Hide
     
  •   Deposition Summary Hide
    Authors:   Stroebel, D.,  Choquet, Y.,  Popot, J.-L.,  Picot, D.

    Deposition:   2003-08-22
    Release:   2003-12-09
    Last Modified (REVDAT):   2012-07-25
     
  •   Revision History    Hide
    Mouse over text for details
    2012-07-25
    Non-polymer description
    2011-07-13
    Version format compliance
    2011-07-13
    Biological assembly
     
  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   3.10
    R-Value: 0.222 (obs.)
    R-Free: 0.261
    Space Group: I 2 2 2
    Unit Cell:
      Length [Å] Angles [°]
    a = 102.45 α = 90.00 
    b = 171.21 β = 90.00 
    c = 351.01 γ = 90.00