3EHN Sugar Binding Protein date Sep 13, 2008
title Bt1043 With N-Acetyllactosamine
authors T.J.Smith, N.M.Koropatkin
compound source
Molecule: Susd Homolog
Chain: A, B
Fragment: Unp Residues 16-546
Engineered: Yes
 Organism_scientific: Bacteroides Thetaiotaomicron
Organism_taxid: 818
Strain: Vpi-5482
Gene: Bt1043, Bt_1043
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Rosetta(De3)Plyss
Expression_system_vector_type: Pet
Expression_system_plasmid: Pet-28rtev
symmetry Space Group: P 21 3
R_factor 0.196 R_Free 0.246
crystal
cell
length a length b length c angle alpha angle beta angle gamma
156.090 156.090 156.090 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.80 Å
ligand GAL, NDG enzyme
Gene BT
Primary referenceStructure of a SusD homologue, BT1043, involved in mucin O-glycan utilization in a prominent human gut symbiont., Koropatkin N, Martens EC, Gordon JI, Smith TJ, Biochemistry. 2009 Feb 24;48(7):1532-42. PMID:19191477
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (168 Kb) [Save to disk]
  • Biological Unit Coordinates (3ehn.pdb1.gz) 84 Kb
  • Biological Unit Coordinates (3ehn.pdb2.gz) 82 Kb
  • LPC: Ligand-Protein Contacts for 3EHN
  • CSU: Contacts of Structural Units for 3EHN
  • Likely Quarternary Molecular Structure file(s) for 3EHN
  • Structure Factors (285 Kb)
  • Retrieve 3EHN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3EHN from S2C, [Save to disk]
  • Re-refined 3ehn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 3EHN 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 3EHN
  • 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 3EHN, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3ehn_A] [3ehn] [3ehn_B]
  • SWISS-PROT database: [Q8A8X4]
  • Domain organization of [Q8A8X4_BACTN] by SWISSPFAM
    • Other resources with information on 3EHN
  • Community annotation for 3EHN 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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