5ELF

Cholera toxin El Tor B-pentamer in complex with A-pentasaccharide


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.55 Å
  • R-Value Free: 0.220
  • R-Value Work: 0.179

Literature

Macromolecules
Sequence Display for 5ELF

Classification: TOXIN

Total Structure Weight: 125887.66

Macromolecule Entities
Molecule Chains Length Organism Details
Cholera enterotoxin subunit B A, B, C..., D, E, F, G, H, I, JA, B, C, D, E, F, G, H, I, J 103 Vibrio cholerae Gene Name(s): ctxB toxB VC_1456
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 8 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
A2G
Query on A2G

A, D, E, F, G, I, J N-ACETYL-2-DEOXY-2-AMINO-GALACTOSE
C8 H15 N O6
OVRNDRQMDRJTHS-CBQIKETKSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PG4
Query on PG4

F TETRAETHYLENE GLYCOL
C8 H18 O5
UWHCKJMYHZGTIT-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GLC
Query on GLC

A, D, E, G, I, J ALPHA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-DVKNGEFBSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BGC
Query on BGC

D, F, G BETA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-VFUOTHLCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GAL
Query on GAL

A, D, E, F, G, I, J BETA-D-GALACTOSE
C6 H12 O6
WQZGKKKJIJFFOK-FPRJBGLDSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
FUC
Query on FUC

A, B, D, E, F, G, H, I, J ALPHA-L-FUCOSE
C6 H12 O5
SHZGCJCMOBCMKK-SXUWKVJYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BCN
Query on BCN

A, B, C, D, E BICINE
C6 H13 N O4
FSVCELGFZIQNCK-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A, B, C, D, E CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.55 Å
  • R-Value Free: 0.220
  • R-Value Work: 0.179
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 63.63 α = 90.00
b = 84.72 β = 90.00
c = 195.68 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2015-11-04
  • Released Date: 2016-03-30
  • Deposition author(s): Heggelund, J.E., Burschowsky, D., Krengel, U.

Revision History

  • Version 1_0: 2016-03-30

    Type: Initial release

  • Version 1_1: 2016-04-27

    Type: Database references