3JU4

Crystal Structure Analysis of EndosialidaseNF at 0.98 A Resolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 0.98 Å
  • R-Value Free: 0.133 
  • R-Value Work: 0.116 
  • R-Value Observed: 0.116 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Structure analysis of endosialidase NF at 0.98 A resolution.

Schulz, E.C.Neumann, P.Gerardy-Schahn, R.Sheldrick, G.M.Ficner, R.

(2010) Acta Crystallogr D Biol Crystallogr 66: 176-180

  • DOI: 10.1107/S0907444909048720
  • Primary Citation of Related Structures:  
    3JU4

  • PubMed Abstract: 
  • Endosialidase NF (endoNF) is a bacteriophage-derived endosialidase that specifically degrades alpha-2,8-linked polysialic acid. The structure of a new crystal form of endoNF in complex with sialic acid has been refined at 0.98 A resolution. The 210 kDa homotrimeric multi-domain enzyme displays outstanding stability and resistance to SDS ...

    Endosialidase NF (endoNF) is a bacteriophage-derived endosialidase that specifically degrades alpha-2,8-linked polysialic acid. The structure of a new crystal form of endoNF in complex with sialic acid has been refined at 0.98 A resolution. The 210 kDa homotrimeric multi-domain enzyme displays outstanding stability and resistance to SDS. Even at atomic resolution, only a minor fraction of side chains possess alternative conformations. However, multiple conformations of an active-site residue imply that it has an important catalytic function in the cleavage mechanism of polysialic acid.


    Organizational Affiliation

    Abteilung für Molekulare Strukturbiologie, Institut für Mikrobiologie und Genetik, Georg-August-Universität Göttingen, Justus-von-Liebig-Weg 11, 37077 Göttingen, Germany.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Endo-N-acetylneuraminidase A670Escherichia phage K1FMutation(s): 0 
EC: 3.2.1.129
Find proteins for Q04830 (Escherichia phage K1F)
Explore Q04830 
Go to UniProtKB:  Q04830
Protein Feature View
Expand
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 0.98 Å
  • R-Value Free: 0.133 
  • R-Value Work: 0.116 
  • R-Value Observed: 0.116 
  • Space Group: H 3
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 119.04α = 90
b = 119.04β = 90
c = 175.69γ = 120
Software Package:
Software NamePurpose
DNAdata collection
MOLREPphasing
SHELXL-97refinement
XDSdata reduction
XSCALEdata scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-02-02
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2012-04-18
    Changes: Database references
  • Version 1.3: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Data collection, Database references, Derived calculations, Structure summary