1EEI

CHOLERA TOXIN B-PENTAMER COMPLEXED WITH METANITROPHENYL-ALPHA-D-GALACTOSE

Structural Biology Knowledgebase: 1EEI SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.200

Literature

Macromolecules
Sequence Display for 1EEI

Classification: TOXIN

Total Structure Weight: 59623.07

Macromolecule Entities
Molecule Chains Length Organism Details
PROTEIN (CHOLERA TOXIN B) D, E, F, G, H 103 Vibrio cholerae Details: RECEPTOR BINDING SITE ON EACH MONOMER OCCUPIED BY METANITROPHENYL-ALPHA-D-GALACTOSIDE
Gene Name(s): ctxB EN12_07055 ERS013160_03498 ERS013165_03981 ERS013197_06217 ERS013202_03762 ERS013206_03003 ERS013207_03244 ERS013212_03447
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
GAA
Query on GAA

D, E, F, G, H METANITROPHENYL-ALPHA-D-GALACTOSIDE
C12 H15 N O8
VCCMGHVCRFMITI-IIRVCBMXSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
GAA N/A in BindingDB
IC50: 700000 nM  BindingMOAD
IC50: 700000 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.200
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 68.90 α = 90.00
b = 69.55 β = 90.00
c = 130.66 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-01-31
  • Released Date: 2000-02-16
  • Deposition author(s): Merritt, E.A., Hol, W.G.J.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4