1LTT

LACTOSE BINDING TO HEAT-LABILE ENTEROTOXIN REVEALED BY X-RAY CRYSTALLOGRAPHY


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Observed: 0.182

Literature

Macromolecules
Sequence Display for 1LTT

Classification: TOXIN

Total Structure Weight: 87147.25

Macromolecule Entities
Molecule Chains Length Organism Details
HEAT-LABILE ENTEROTOXIN, SUBUNIT B D, E, F, G, H 103 Escherichia coli Gene Name(s): eltB ltpB
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
HEAT-LABILE ENTEROTOXIN, SUBUNIT A A 185 Escherichia coli Gene Name(s): eltA ltpA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
HEAT-LABILE ENTEROTOXIN, SUBUNIT A C 41 Escherichia coli Gene Name(s): eltA ltpA

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

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

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

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Observed: 0.182
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 119.80 α = 90.00
b = 101.20 β = 90.00
c = 64.20 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1992-07-15
  • Released Date: 1994-01-31
  • Deposition author(s): Sixma, T.K., Hol, W.G.J.

Revision History

  • Version 1_0: 1994-01-31

    Type: Initial release

  • Version 1_1: 2008-03-24

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance