1GCA

THE 1.7 ANGSTROMS REFINED X-RAY STRUCTURE OF THE PERIPLASMIC GLUCOSE(SLASH)GALACTOSE RECEPTOR FROM SALMONELLA TYPHIMURIUM


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Work: 0.190

Literature

Macromolecules
Sequence Display for 1GCA

Classification: GALACTOSE-BINDING PROTEIN

Total Structure Weight: 33680.90

Macromolecule Entities
Molecule Chains Length Organism Details
GLUCOSE/GALACTOSE-BINDING PROTEIN A 309 Salmonella enterica Mutation: A152H
Gene Name(s): mglB STM2190
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A BETA-D-GALACTOSE
C6 H12 O6
WQZGKKKJIJFFOK-FPRJBGLDSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
GAL N/A in BindingDB
Kd: 200 nM  BindingMOAD
Kd: 200 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Observed:
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 119.57 α = 90.00
b = 37.39 β = 123.18
c = 80.14 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-05-13
  • Released Date: 1993-10-31
  • Deposition author(s): Zou, J.-Y., Mowbray, S.L.

Revision History

  • 2008-03-03
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance