1LQ2

Crystal structure of barley beta-D-glucan glucohydrolase isoenzyme Exo1 in complex with gluco-phenylimidazole

Structural Biology Knowledgebase: 1LQ2 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.7 Å
  • R-Value Free: 0.273
  • R-Value Work: 0.210

Literature

Macromolecules
Sequence Display for 1LQ2

Classification: HYDROLASE

Total Structure Weight: 67475.05

Macromolecule Entities
Molecule Chains Length Organism Details
Beta-D-glucan glucohydrolase isoenzyme Exo1 A 602 Hordeum vulgare EC#: 3.2.1.58 IUBMB
Mutation: N320K
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 6 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
IDD
Query on IDD

A (5R,6R,7S,8S)-5-(HYDROXYMETHYL)-2-PHENYL- 5,6,7,8-TETRAHYDROIMIDAZO[1,2-A]PYRIDINE- 6,7,8-TRIOL
GLUCO-PHENYLIMIDAZOLE (Synonym)
C14 H16 N2 O4
DLVNFMROYKHANV-FVCCEPFGSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

A N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BMA
Query on BMA

A BETA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-RWOPYEJCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MAN
Query on MAN

A ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
FUC
Query on FUC

A ALPHA-L-FUCOSE
C6 H12 O5
SHZGCJCMOBCMKK-SXUWKVJYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
IDD N/A in BindingDB
N/A in BindingMoad
Ki: 1.7 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.7 Å
  • R-Value Free: 0.273
  • R-Value Work: 0.210
  • Space Group: P 43 21 2

Unit Cell:

Length (Å) Angle (°)
a = 100.69 α = 90.00
b = 100.69 β = 90.00
c = 182.68 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-05-09
  • Released Date: 2003-11-18
  • Deposition author(s): Hrmova, M., De Gori, R., Smith, B.J., Vasella, A., Varghese, J.N., Fincher, G.B.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update