1LTA

2.2 ANGSTROMS CRYSTAL STRUCTURE OF E. COLI HEAT-LABILE ENTEROTOXIN (LT) WITH BOUND GALACTOSE

Structural Biology Knowledgebase: 1LTA SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Observed: 0.175

Literature

Macromolecules
Sequence Display for 1LTA

Classification: ENTEROTOXIN

Total Structure Weight: 87520.49

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 188 Escherichia coli Gene Name(s): eltA ltpA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
HEAT-LABILE ENTEROTOXIN, SUBUNIT A C 49 Escherichia coli Gene Name(s): eltA ltpA

Small Molecules
Ligands 1 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)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Observed: 0.175
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 70.70 α = 90.00
b = 73.50 β = 90.00
c = 163.30 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-09-15
  • Released Date: 1994-01-31
  • Deposition author(s): Merritt, E.A., Sixma, T.K., Kalk, K.H., Van Zanten, B.A.M., Hol, W.G.J.

Revision History

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