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Crystal structure of the apo form of a 3alpha-hydroxysteroid dehydrogenase (BaiA2) associated with secondary bile acid synthesis from Clostridium scindens VPI12708 at 1.90 A resolution
4IS2
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Oxidoreductase
    Structure Weight: 29380.55
    Molecule: Bile acid 3-alpha hydroxysteroid dehydrogenase
    Polymer: 1 Type: protein Length: 268
    Chains: A
    EC#: 1.17.99.5   
    Organism: [Clostridium] scindens
    Gene Name: baiA2
    UniProtKB: Protein Feature View | Search PDB | P19337  
     
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  •   Source Hide
    Polymer: 1
    Scientific Name: Clostridium scindens   Taxonomy   Expression System: Escherichia coli  
     
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    Identifier Details
    4IS3  Holoenzyme form of BaiA2 (a 3alpha-hydroxysteroid dehydrogenase ssociated with secondary bile acid synthesis from Clostridium scindens VPI12708) in complex with a putative NAD(+)OH- adduct at 2.0 A resolution 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    CL
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    CL Cl
    CHLORIDE ION
     
  •   Modified Residues Hide
    Identifier Formula Parent Type
    MSE
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    MSE C5 H11 N O2 Se MET lPeptideLinking
     
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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:   Joint Center for Structural Genomics

    Deposition:   2013-01-16
    Release:   2013-04-03
    Last Modified (REVDAT):   2013-09-04
     
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    2013-09-04
    Polymer description
     
  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   1.90
    R-Value: 0.163 (obs.)
    R-Free: 0.187
    Space Group: I 2 2 2
    Unit Cell:
      Length [Å] Angles [°]
    a = 54.04 α = 90.00 
    b = 93.18 β = 90.00 
    c = 105.44 γ = 90.00