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Y370G ACTIVE SITE MUTANT OF THE SIALIDASE FROM MICROMONOSPORA VIRIDIFACIENS IN COMPLEX WITH BETA-NEU5AC (SIALIC ACID).
2BER
Primary Citation
 
 
  •   Molecular Description Hide
    Classification: Hydrolase
    Structure Weight: 64525.46
    Molecule: BACTERIAL SIALIDASE
    Polymer: 1 Type: protein Length: 601
    Chains: A
    EC#: 3.2.1.18   
    Fragment: RESIDUES 47-647
    Mutation: YES
    Organism Micromonospora viridifaciens
    Gene Name nedA
    UniProtKB:   Protein Feature View | Search PDB | Q02834  
     
  •   Structure Validation Hide

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  •   Related Citations in PDB Entry (REMARK 1) Hide
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Micromonospora viridifaciens   Taxonomy   Expression System: Escherichia coli  
     
  •   Related PDB Entries Hide
    Identifier Details
    1EUR  SIALIDASE 
    1EUS  SIALIDASE COMPLEXED WITH 2-DEOXY-2,3- DEHYDRO-N- ACETYLNEURAMINIC ACID 
    1EUT  SIALIDASE, LARGE 68KD FORM, COMPLEXED WITH GALACTOSE 
    1EUU  SIALIDASE OR NEURAMINIDASE, LARGE 68KD FORM 
    1W8N  CONTRIBUTION OF THE ACTIVE SITE ASPARTIC ACID TO CATALYSIS IN THE BACTERIAL NEURAMINIDASE FROM MICROMONOSPORA VIRIDIFACIENS. 
    1W8O  CONTRIBUTION OF THE ACTIVE SITE ASPARTIC ACID TO CATALYSIS IN THE BACTERIAL NEURAMINIDASE FROM MICROMONOSPORA VIRIDIFACIENS 
    1WCQ  MUTAGENESIS OF THE NUCLEOPHILIC TYROSINE IN A BACTERIAL SIALIDASE TO PHENYLALANINE. 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    NA
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    NA Na
    SODIUM ION
    SLB
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    SLB C11 H19 N O9
    5-N-ACETYL-BETA-D-NEURAMINIC ACID
    SLB:2BER
     
  •   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 PQS (software)
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  •   Deposition Summary Hide
    Authors:   Newstead, S.,  Watson, J.N.,  Bennet, A.J.,  Taylor, G.L.

    Deposition:   2004-11-30
    Release:   2005-04-04
    Last Modified (REVDAT):   2009-02-24
     
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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]:   1.80
    R-Value: 0.143 (obs.)
    R-Free: 0.199
    Space Group: P 21
    Unit Cell:
      Length [Å] Angles [°]
    a = 55.44 α = 90.00 
    b = 49.53 β = 101.74 
    c = 107.04 γ = 90.00