1X38

crystal structure of barley beta-D-glucan glucohydrolase isoenzyme exo1 in complex with gluco-phenylimidazole


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.183
  • R-Value Work: 0.160

Literature

Macromolecules
Sequence Display for 1X38

Classification: HYDROLASE

Total Structure Weight: 68508.27

Macromolecule Entities
Molecule Chains Length Organism Details
beta-D-glucan exohydrolase isoenzyme ExoI A 602 Hordeum vulgare EC#: 3.2.1.58 IUBMB
Fragment: residues 1-602
Mutation: N320K
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 8 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)
MAN
Query on MAN

A ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-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)
FUC
Query on FUC

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

A BETA-D-XYLOPYRANOSE
C5 H10 O5
SRBFZHDQGSBBOR-KKQCNMDGSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
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
Ki: 1.7 nM  BindingMOAD
Ki: 1.7 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.183
  • R-Value Work: 0.160
  • Space Group: P 43 21 2

Unit Cell:

Length (Å) Angle (°)
a = 100.56 α = 90.00
b = 100.56 β = 90.00
c = 182.41 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2005-05-02
  • Released Date: 2005-12-20
  • Deposition author(s): Hrmova, M., Streltsov, V.A., Smith, B.J., Vasella, A., Varghese, J.N., Fincher, G.B.

Revision History

  • 2008-04-30
    Type: Version format compliance
  • 2011-07-13
    Type: Advisory, Version format compliance