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Monoclinic form of Trypanosoma cruzi trans-sialidase, in complex with 3-deoxy-2,3-dehydro-N-acetylneuraminic acid (DANA)and lactose
1MS0
Primary Citation
 
 
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  •   Molecular Description Hide
    Classification: Hydrolase
    Structure Weight: 144046.91
    Molecule: trans-sialidase
    Polymer: 1 Type: protein Length: 648
    Chains: A, B
    EC#: 3.2.1.18   
    Fragment: enzymatic globular core
    Mutation: N58F,S495K,V496G,E520K,D593G,I597D,H599R
    Organism Trypanosoma cruzi
    UniProtKB:   Protein Feature View | Search PDB | Q26966  
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Trypanosoma cruzi   Taxonomy   Expression System: Escherichia coli  
     
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    Identifier Details
    1MR5  Orthorhombic form of Trypanosoma cruzi trans-sialidase 
    1MS1  Monoclinic form of Trypanosoma cruzi trans-sialidase, in complex with 3-deoxy-2,3-dehydro-N-acetylneuraminic acid (DANA) 
    1MS3  Monoclinic form of Trypanosoma cruzi trans-sialidase 
    1MS4  Triclinic form of Trypanosoma cruzi trans-sialidase 
    1MS5  Triclinic form of Trypanosoma cruzi trans-sialidase, soaked with N-acetylneuraminyl-a-2,3-thio-galactoside (NA-S-Gal) 
    1MS8  Triclinic form of Trypanosoma cruzi trans-sialidase, in complex with 3-deoxy-2,3-dehydro-N-acetylneuraminic acid (DANA) 
    1MS9  Triclinic form of Trypanosoma cruzi trans-sialidase, in complex with lactose 
    1MZ5  Trypanosoma rangeli sialidase 
    1MZ6  Trypanosoma rangeli sialidase in complex with inhibitor DANA 
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name Interactions
    DAN
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    Download      		DAN C11 H17 N O8
    2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID
    		DAN:1MS0
    LAT
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    Download      		LAT C12 H22 O11
    BETA-LACTOSE
    		LAT:1MS0
     
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Data in orange boxes are gathered from external resources (when available).
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  Biological Assembly 1       
Biological assembly 1 assigned by authors
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  •   Deposition Summary Hide
    Authors:   Buschiazzo, A,  Amaya, M.F.,  Cremona, M.L.,  Frasch, A.C.,  Alzari, P.M.

    Deposition:   2002-09-19
    Release:   2003-03-25
    Last Modified (REVDAT):   2011-07-13
     
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    2011-07-13
    Non-polymer description
    2011-07-13
    Version format compliance
     
  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
    N/A
    Resolution[Å]:   2.50
    R-Value: 0.194 (obs.)
    R-Free: 0.253
    Space Group: P 21
    Unit Cell:
      Length [Å] Angles [°]
    a = 65.22 α = 90.00 
    b = 133.37 β = 91.41 
    c = 90.61 γ = 90.00