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NMR STRUCTURES OF THE CELLULOSE-BINDING DOMAIN OF THE ENDOGLUCANASE Z FROM ERWINIA CHRYSANTHEMI, 23 STRUCTURES


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 30 
  • Conformers Submitted: 23 
  • Selection Criteria: LEAST RESTRAINT VIOLATION 

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This is version 1.2 of the entry. See complete history

Literature

Solution structure of the cellulose-binding domain of the endoglucanase Z secreted by Erwinia chrysanthemi.

Brun, E.Moriaud, F.Gans, P.Blackledge, M.J.Barras, F.Marion, D.

(1997) Biochemistry 36: 16074-16086

  • DOI: 10.1021/bi9718494

  • PubMed Abstract: 
  • Two-dimensional proton nuclear magnetic resonance spectroscopy has been used to determine the three-dimensional structure of the 62 amino acid C-terminal cellulose-binding domain (CBD) of the endoglucanase Z (CBDEGZ), secreted by Erwinia chrysanthemi ...

    Two-dimensional proton nuclear magnetic resonance spectroscopy has been used to determine the three-dimensional structure of the 62 amino acid C-terminal cellulose-binding domain (CBD) of the endoglucanase Z (CBDEGZ), secreted by Erwinia chrysanthemi. An experimental data set comprising 958 interproton nOe-derived restraints was used to calculate 23 structures. The calculated structures have an average root-mean-square deviation between Cys4 and Cys61 of 0.91 +/- 0.11 A for backbone atoms and 1.18 +/- 0.12 A for the heavy atoms. The CBDEGZ exhibits a skiboot shape based mainly on a triple antiparallel beta-sheet perpendicular to a less-ordered summital loop. Three aromatic rings (Trp18, Trp43, and Tyr44) are localized on one face of the protein and are exposed to the solvent in a conformation compatible with a cellulose-binding site. Based on its original folding, we have been able to relate the CBD sequence to those of several domains of unknown function occurring in several bacterial chitinases as well as other proteins. This study also provides a structural basis for analyzing the secretion-related information specific to the CBDEGZ.


    Related Citations: 
    • Periplasmic Disulphide Bond Formation is Essential for Cellulase Secretion by the Plant Pathogen Erwinia Chrysanthemi
      Bortoli-German, I.,Brun, E.,Py, B.,Chippaux, M.,Barras, F.
      (1994) Mol.Microbiol. 11: 545
    • Overproduction, Purification and Characterization of the Cellulose-Binding Domain of the Erwinia Chrysanthemi Secreted Endoglucanase Egz
      Brun, E.,Gans, P.,Marion, D.,Barras, F.
      (1995) Eur.J.Biochem. 231: 142
    • Cellulase Egz of Erwinia Chrysanthemi: Structural Organization and Importance of His98 and Glu133 Residues for Catalysis
      Py, B.,Bortoli-German, I.,Haiech, J.,Chippaux, M.,Barras, F.
      (1991) Protein Eng. 4: 325


    Organizational Affiliation

    Institut de Biologie Structurale "Jean-Pierre Ebel" (CEA-CNRS), 41 avenue des Martyrs, 38027 Grenoble Cedex, France.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
ENDOGLUCANASE Z
A
62Dickeya dadantii (strain 3937)Mutation(s): 0 
Gene Names: celZ (cel5, cel5Z)
EC: 3.2.1.4
Find proteins for P07103 (Dickeya dadantii (strain 3937))
Go to UniProtKB:  P07103
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 30 
  • Conformers Submitted: 23 
  • Selection Criteria: LEAST RESTRAINT VIOLATION 
  • Olderado: 1AIW Olderado

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1998-05-06
    Type: Initial release
  • Version 1.1: 2008-03-24
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Source and taxonomy, Version format compliance