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Crystal structure of a group I intron/two exon complex that includes all catalytic metal ion ligands.
DOI:10.2210/pdb1zzn/pdb   NDB ID: PR0170
1ZZN
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Structural Protein/rna
    Structure Weight: 83513.45
    Molecule: 197-MER
    Polymer: 1 Type: rna Length: 197
    Chains: B
    Details: GROUP I INTRON
    Molecule: 5'-R(*AP*AP*GP*CP*CP*AP*CP*AP*CP*AP*AP*AP*CP*CP*AP*GP*AP*CP*GP*GP*CP*C)-3'
    Polymer: 2 Type: rna Length: 22
    Chains: C
    Details: Group I Intron, 3'-exon
    Molecule: 5'-R(*CP*AP*(5MU))-3'
    Polymer: 3 Type: rna Length: 3
    Chains: D
    Details: 5'-exon, U-1deoxy5MU
    Molecule: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A RNA BINDING DOMAIN
    Polymer: 4 Type: protein Length: 98
    Chains: A
    Fragment: RRM 1
    Mutation: Y31H, Q36R
    Organism: Homo sapiens
    Gene Name: Gene View for SNRPA
    UniProtKB: Protein Feature View | Search PDB | P09012  
     
  •   Structure Validation Hide

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  •   Related Citations in PDB Entry (REMARK 1) Hide
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Synthetic construct   Taxonomy    
    Polymer: 2
    Scientific Name: Synthetic construct   Taxonomy    
    Polymer: 3
    Scientific Name: Synthetic construct   Taxonomy    
    Polymer: 4
    Scientific Name: Homo sapiens   Taxonomy   Common Name: Human Expression System: Escherichia coli bl21(de3)  
     
  •   Related PDB Entries Hide
    Identifier Details
    1U6B  Group I intron structure with both exons. dG206, dA205, dA+1 substitutions in PDB 1U6B are ribose in this new structure. 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    K
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    K K
    POTASSIUM ION
    MG
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    MG Mg
    MAGNESIUM ION
     
  •   Modified Residues Hide
    Identifier Formula Parent Type
    GTP
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    GTP C10 H16 N5 O14 P3 G nonPolymer
    A23
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    A23 C10 H13 N5 O9 P2 A rnaLinking
    5MU
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    5MU C10 H15 N2 O9 P U rnaLinking
     
  •   External Domain Annotations Hide
     
  •   Structural Biology Knowledgebase Data Hide
     
  • Nucleic Acid Database Hide
    View the NDB ID associated with this structure: PR0170
     
 
Data in orange boxes are gathered from external resources (when available).
 
  Biological Assembly       
Biological assembly 1 assigned by authors
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  •   Deposition Summary Hide
    Authors:   Stahley, M.R.,  Strobel, S.A.

    Deposition:   2005-06-14
    Release:   2005-08-30
    Last Modified (REVDAT):   2009-02-24
     
  •   Revision History    Hide
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    2011-07-13
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  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   3.37
    R-Value: 0.269 (obs.)
    R-Free: 0.307
    Space Group: P 41 2 2
    Unit Cell:
      Length [Å] Angles [°]
    a = 108.47 α = 90.00 
    b = 108.47 β = 90.00 
    c = 246.40 γ = 90.00