Crystal Structure of Staphylococcal Enterotoxin I (SEI) in Complex with a Human MHC class II Molecule
2G9H
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Immune System
    Structure Weight: 70570.04
    Molecule: HLA class II histocompatibility antigen, DR alpha chain
    Polymer: 1 Type: protein Length: 182
    Chains: A
    Organism: Homo sapiens
    Gene Names: HLA-DRA1 Gene View for HLA-DRA
    UniProtKB: Search PDB | P01903   Protein Feature View
    Molecule: HLA class II histocompatibility antigen, DRB1-1 beta chain
    Polymer: 2 Type: protein Length: 190
    Chains: B
    Organism: Homo sapiens
    Gene Name: Gene View for HLA-DRB1
    UniProtKB: Search PDB | P04229   Protein Feature View
    Molecule: Hemagglutinin
    Polymer: 3 Type: protein Length: 13
    Chains: C
    Fragment: peptide, 306-318 residues
    Organism: Influenza A virus (A/England/878/1969(H3N2))
    Gene Name: HA
    UniProtKB: Search PDB | P04664   Protein Feature View
    Molecule: extracellular enterotoxin type I
    Polymer: 4 Type: protein Length: 218
    Chains: D
    Organism: Staphylococcus aureus
    UniProtKB: Search PDB | Q52T95   Protein Feature View
     
  •   Structure Validation Hide

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  •   Related Citations in PDB Entry (REMARK 1) Hide
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Homo sapiens   Taxonomy   Common Name: Human Expression System: Escherichia coli bl21(de3)  
    Polymer: 2
    Scientific Name: Homo sapiens   Taxonomy   Common Name: Human Expression System: Escherichia coli bl21(de3)  
    Polymer: 3
    Scientific Name: Synthetic construct (Influenza A virus (A/England/878/1969(H3N2)))   Taxonomy    
    Polymer: 4
    Scientific Name: Staphylococcus aureus   Taxonomy    
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    DIO
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    DIO C4 H8 O2
    1,4-DIETHYLENE DIOXIDE
    EPE
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    EPE C8 H18 N2 O4 S
    4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
    SO4
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    SO4 O4 S
    SULFATE ION
    ZN
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    ZN Zn
    ZINC ION
     
  •   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:   Fernandez, M.M.,  Guan, R.,  Malchiodi, E.L.,  Mariuzza, R.A.

    Deposition:   2006-03-06
    Release:   2006-07-11
    Last Modified (REVDAT):   2011-07-13
     
  •   Revision History    Hide
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    2011-07-13
    Flag residual B-value
    2011-07-13
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  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   2.00
    R-Value: 0.215 (obs.)
    R-Free: 0.252
    Space Group: C 1 2 1
    Unit Cell:
      Length [Å] Angles [°]
    a = 150.40 α = 90.00 
    b = 99.93 β = 92.00 
    c = 72.92 γ = 90.00