An unexpected outcome of surface-engineering an integral membrane protein: Improved crystallization of cytochrome ba3 oxidase from Thermus thermophilus
2QPE
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Oxidoreductase
    Structure Weight: 87509.05
    Molecule: Cytochrome c oxidase subunit 1
    Polymer: 1 Type: protein Length: 568
    Chains: A
    EC#: 1.9.3.1   
    Mutation: K258R
    Organism: Thermus thermophilus HB8
    Gene Names: cbaA TTHA1135
    UniProtKB: Search PDB | Q5SJ79   Protein Feature View
    Molecule: Cytochrome c oxidase subunit 2
    Polymer: 2 Type: protein Length: 168
    Chains: B
    EC#: 1.9.3.1   
    Mutation: E4Q
    Organism: Thermus thermophilus HB8
    Gene Names: cbaB ctaC TTHA1134
    UniProtKB: Search PDB | Q5SJ80   Protein Feature View
    Molecule: Cytochrome c oxidase polypeptide 2A
    Polymer: 3 Type: protein Length: 34
    Chains: C
    EC#: 1.9.3.1   
    Organism: Thermus thermophilus HB8
    Gene Names: cbaD TTHA1133
    UniProtKB: Search PDB | P82543   Protein Feature View
    Membrane Protein:   Source: inferred by homology
    ALPHA-HELICAL
    Electron Transport Chain Complexes: Complex IV (Cytochrome C Oxidase)
    Cytochrome ba3
     
  •   Structure Validation Hide

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  •   Related Citations in PDB Entry (REMARK 1) Hide
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Thermus thermophilus   Taxonomy   Expression System: Thermus thermophilus hb8  
    Polymer: 2
    Scientific Name: Thermus thermophilus   Taxonomy   Expression System: Thermus thermophilus hb8  
    Polymer: 3
    Scientific Name: Thermus thermophilus   Taxonomy   Expression System: Thermus thermophilus hb8  
     
  •   Related PDB Entries Hide
    Identifier Details
    1XME   recombinant wild type cytochrome ba3 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    CU1
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    CU1 Cu
    COPPER (I) ION
    CUA
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    CUA Cu2
    DINUCLEAR COPPER ION
    HAS
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    HAS C54 H64 Fe N4 O6
    HEME-AS
    HAS:2QPE
    HEM
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    HEM C34 H32 Fe N4 O4
    PROTOPORPHYRIN IX CONTAINING FE
     
  •   External Domain Annotations Hide
     
  •   Structural Biology Knowledgebase Data Hide
     
 
Data in orange boxes are gathered from external resources (when available).
  Biological Assembly       
Biological assembly 1 assigned by authors and generated by PISA (software)
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  •   Deposition Summary Hide
    Authors:   Liu, B.,  Luna, V.M.,  Chen, Y.,  Stout, C.D.,  Fee, J.A.

    Deposition:   2007-07-23
    Release:   2007-12-11
    Last Modified (REVDAT):   2011-07-13
     
  •   Revision History    Hide
    Mouse over text for details
    2011-07-13
    Flag residual B-value
    2011-07-13
    Source and taxonomy
    2011-07-13
    Version format compliance
     
  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   2.90
    R-Value: 0.237 (obs.)
    R-Free: 0.302
    Space Group: P 41 21 2
    Unit Cell:
      Length [Å] Angles [°]
    a = 114.64 α = 90.00 
    b = 114.64 β = 90.00 
    c = 148.57 γ = 90.00