1IEX

Crystal structure of barley beta-D-glucan glucohydrolase isoenzyme Exo1 in complex with 4I,4III,4V-S-trithiocellohexaose

Structural Biology Knowledgebase: 1IEX SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.211
  • R-Value Work: 0.178

Literature

Macromolecules
Sequence Display for 1IEX

Classification: HYDROLASE

Total Structure Weight: 67153.87

Macromolecule Entities
Molecule Chains Length Organism Details
BETA-D-GLUCAN GLUCOHYDROLASE ISOENZYME EXO1 A 605 Hordeum vulgare EC#: 3.2.1.58 IUBMB
Mutation: N320K
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
TCB
Query on TCB

A THIOCELLOBIOSE
C12 H22 O10 S
VDQIIPZYLPYPNM-QRZGKKJRSA-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)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.211
  • R-Value Work: 0.178
  • Space Group: P 43 21 2

Unit Cell:

Length (Å) Angle (°)
a = 102.42 α = 90.00
b = 102.42 β = 90.00
c = 185.48 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-04-11
  • Released Date: 2001-11-14
  • Deposition author(s): Hrmova, M., DeGori, R., Fincher, G.B., Smith, B.J., Driguez, H., Varghese, J.N.

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