2W68 Hydrolase date Dec 17, 2008
title Enhancing The Receptor Affinity Of The Sialic Acid-Binding D Vibrio Cholerae Sialidase Through Multivalency
authors H.Connaris, P.R.Crocker, G.L.Taylor
compound source
Molecule: Sialidase
Chain: A, B, C
Fragment: Cbm40 Domain, Residues 25-216
Synonym: Sialic Acid Binding Domain From V. Choleraesialida Nanase, Neuraminidase;
Ec: 3.2.1.18
Engineered: Yes
Organism_scientific: Vibrio Cholerae
Organism_taxid: 666
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: C 2 2 21
R_factor 0.215 R_Free 0.256
crystal
cell
length a length b length c angle alpha angle beta angle gamma
138.600 197.620 82.980 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.50 Å
ligand BGC, CA, GAL, SIA enzyme Hydrolase E.C.3.2.1.18 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, C, B


Primary referenceEnhancing the receptor affinity of the sialic acid-binding domain of vibrio cholerae sialidase through multivalency., Connaris H, Crocker PR, Taylor GL, J Biol Chem. 2009 Jan 5. PMID:19124471
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk]
  • Biological Unit Coordinates (2w68.pdb1.gz) 33 Kb
  • Biological Unit Coordinates (2w68.pdb2.gz) 32 Kb
  • Biological Unit Coordinates (2w68.pdb3.gz) 33 Kb
  • LPC: Ligand-Protein Contacts for 2W68
  • CSU: Contacts of Structural Units for 2W68
  • Likely Quarternary Molecular Structure file(s) for 2W68
  • Structure Factors (534 Kb)
  • Retrieve 2W68 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2W68 from S2C, [Save to disk]
  • Re-refined 2w68 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2W68 in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 2W68
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2W68, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2w68] [2w68_C] [2w68_B] [2w68_A]
  • SWISS-PROT database: [P0C6E9]
  • Domain organization of [NANH_VIBCH] by SWISSPFAM
  • Other resources with information on 2W68
  • Community annotation for 2W68 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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