Asparaginase from Erwinia chrysanthemi, hexagonal form with sulfate

Experimental Data Snapshot

  • Resolution: 2.40 Å
  • R-Value Free: 0.219 
  • R-Value Work: 0.160 
  • R-Value Observed: 0.160 

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This is version 1.3 of the entry. See complete history


Structures of Two Highly Homologous Bacterial L-Asparaginases: A Case of Enantiomorphic Space Groups

Jaskolski, M.Kozak, M.Lubkowski, J.Palm, G.J.Wlodawer, A.

(2001) Acta Crystallogr D Biol Crystallogr 57: 369

  • DOI: https://doi.org/10.1107/s0907444900020175
  • Primary Citation of Related Structures:  
    1HFJ, 1HFK, 1HO3

  • PubMed Abstract: 

    Quasi-enantiomorphic crystals of the Y25F mutant of Escherichia coli L-asparaginase and of the native Erwinia chrysanthemi L-asparaginase were obtained in the hexagonal space groups P6(5)22 and P6(1)22, respectively. The structures of these highly homologous enzymes were solved by molecular replacement and were refined with data extending to 2.2-2.5 A. These structures were compared with each other, as well as with other L-asparaginase structures previously observed with different crystal packing. It is concluded that the observed phenomenon, which is rare, was most likely to have arisen by chance.

  • Organizational Affiliation

    Department of Crystallography, Faculty of Chemistry, A. Mickiewicz University, Poznan, Poland.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
B [auth C]
327Dickeya chrysanthemiMutation(s): 4 
Find proteins for P06608 (Dickeya chrysanthemi)
Explore P06608 
Go to UniProtKB:  P06608
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP06608
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Resolution: 2.40 Å
  • R-Value Free: 0.219 
  • R-Value Work: 0.160 
  • R-Value Observed: 0.160 
  • Space Group: P 61 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 91.4α = 90
b = 91.4β = 90
c = 346.6γ = 120
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2000-12-07
    Type: Initial release
  • Version 1.1: 2011-10-19
    Changes: Database references, Derived calculations, Non-polymer description, Other, Refinement description, Structure summary, Version format compliance
  • Version 1.2: 2019-05-08
    Changes: Data collection, Experimental preparation, Other
  • Version 1.3: 2024-05-01
    Changes: Data collection, Database references, Derived calculations, Other, Refinement description