The role of an inner loop in the catalytic mechanism of soybean beta-amylase
Primary Citation
  •   Molecular Description Hide
    Classification: Hydrolase
    Structure Weight: 56638.21
    Molecule: Beta-amylase
    Polymer: 1 Type: protein Length: 495
    Chains: A
    Mutation: ARG:399, GLY:202, LEU:76
    Organism: Glycine max
    Gene Name: BMY1
    UniProtKB: Search PDB | P10538   Protein Feature View
  •   Structure Validation Hide

  • MolProbity Ramachandran Plot

  •   Related Citations in PDB Entry (REMARK 1) Hide
  •   Source Hide
    Polymer: 1
    Scientific Name: Glycine max   Taxonomy   Common Name: Soybean Expression System: Escherichia coli  
  •   Related PDB Entries Hide
    Identifier Details
    1BFN   recombinant soybean beta-amylase complexed with beta-cyclodextrin 
    1BYB   soybean beta-amylase complexed with 200mM maltose and complexed with maltotetraose 
    1BYD   soybean beta-amylase reacted with 100mM maltal and complexed with D-deoxymaltose 
    1Q6C   soybean beta-amylase complexed with maltose 
    1V3H   soybean beta-amylase mutant (E186Q) complexed with maltopentaose 
    1V3I   soybean beta-amylase mutant (E380Q) complexed with maltose 
    1WDQ   the same protein, mutant (T342V) 
    1WDR   the same protein, mutant (T342S) 
    1WDS   the same protein, mutant (T342A) 
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    SO4 O4 S
  •   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
Downloadable viewers:
  •   MyPDB Personal Annotations Hide
  •   Deposition Summary Hide
    Authors:   Kang, Y.N.,  Adachi, M.,  Utsumi, S.,  Mikami, B.

    Deposition:   2004-05-17
    Release:   2005-04-05
    Last Modified (REVDAT):   2009-02-24
  •   Revision History    Hide
    Mouse over text for details
    Version format compliance
  •   Experimental Details Hide
    Exp. Data:
      Structure Factors
    Resolution[Å]:   1.27
    R-Value: 0.134 (obs.)
    R-Free: 0.174
    Space Group: P 31 2 1
    Unit Cell:
      Length [Å] Angles [°]
    a = 84.89 α = 90.00 
    b = 84.89 β = 90.00 
    c = 143.40 γ = 120.00