1CT1

CHOLERA TOXIN B-PENTAMER MUTANT G33R BOUND TO RECEPTOR PENTASACCHARIDE

Structural Biology Knowledgebase: 1CT1 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.250
  • R-Value Work: 0.182

Literature

Macromolecules
Sequence Display for 1CT1

Classification: ENTEROTOXIN

Total Structure Weight: 60650.78

Macromolecule Entities
Molecule Chains Length Organism Details
CHOLERA TOXIN D, E, F, G, H 103 Vibrio cholerae Fragment: B-PENTAMER
Mutation: Y18H, G33R, I47T
Gene Name(s): ctxB toxB VC_1456
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SIA
Query on SIA

F, G O-SIALIC ACID
C11 H19 N O9
SQVRNKJHWKZAKO-YRMXFSIDSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NGA
Query on NGA

F, G N-ACETYL-D-GALACTOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-JAJWTYFOSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GAL
Query on GAL

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

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

H CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.250
  • R-Value Work: 0.182
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 103.40 α = 90.00
b = 67.61 β = 131.66
c = 101.70 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-06-03
  • Released Date: 1997-10-15
  • 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