4XHX

Crystal structure of the NanB sialidase from streptococcus pneumoniae in complex with Optactin and 2-[(3-Chlorobenzyl)ammonio]ethanesulfonate


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.221 
  • R-Value Work: 0.170 
  • R-Value Observed: 0.172 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 


This is version 2.1 of the entry. See complete history


Literature

The Hunt for Serendipitous Allosteric Sites: Discovery of a novel allosteric inhibitor of the bacterial sialidase NanB

Rogers, G.W.Brear, P.Yang, L.Chen, A.S.Mitchell, J.B.O.Taylor, G.L.Westwood, N.J.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Sialidase B658Streptococcus pneumoniae TIGR4Mutation(s): 1 
Gene Names: nanBSP_1687
EC: 3.2.1.18
UniProt
Find proteins for Q54727 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4))
Explore Q54727 
Go to UniProtKB:  Q54727
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ54727
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.221 
  • R-Value Work: 0.170 
  • R-Value Observed: 0.172 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 76.469α = 90
b = 82.709β = 90
c = 117.032γ = 90
Software Package:
Software NamePurpose
HKL-2000data reduction
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction
HKL-2000data scaling

Structure Validation

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Ligand Structure Quality Assessment 


Entry History & Funding Information

Deposition Data

  • Released Date: 2016-01-20 
  • Deposition Author(s): Brear, P.

Funding OrganizationLocationGrant Number
Biotechnology and Biological Sciences Research CouncilUnited Kingdom--
SULSAUnited Kingdom--

Revision History  (Full details and data files)

  • Version 1.0: 2016-01-20
    Type: Initial release
  • Version 2.0: 2017-08-30
    Changes: Advisory, Atomic model, Author supporting evidence, Data collection, Derived calculations
  • Version 2.1: 2024-01-10
    Changes: Data collection, Database references, Refinement description