1IEX

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


Experimental Data Snapshot

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

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Catalytic mechanisms and reaction intermediates along the hydrolytic pathway of a plant beta-D-glucan glucohydrolase.

Hrmova, M.Varghese, J.N.De Gori, R.Smith, B.J.Driguez, H.Fincher, G.B.

(2001) Structure 9: 1005-1016

  • Primary Citation of Related Structures:  1IEQ, 1IEV, 1IEW

  • PubMed Abstract: 
  • Barley beta-D-glucan glucohydrolases represent family 3 glycoside hydrolases that catalyze the hydrolytic removal of nonreducing glucosyl residues from beta-D-glucans and beta-D-glucooligosaccharides. After hydrolysis is completed, glucose remains bo ...

    Barley beta-D-glucan glucohydrolases represent family 3 glycoside hydrolases that catalyze the hydrolytic removal of nonreducing glucosyl residues from beta-D-glucans and beta-D-glucooligosaccharides. After hydrolysis is completed, glucose remains bound in the active site.


    Organizational Affiliation

    Department of Plant Science, University of Adelaide, Waite Campus, 5064, Glen Osmond, SA, Australia. hrmova@adelaide.edu.au




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
BETA-D-GLUCAN GLUCOHYDROLASE ISOENZYME EXO1
A
605Hordeum vulgare var. distichumN/A
Find proteins for Q9XEI3 (Hordeum vulgare var. distichum)
Go to UniProtKB:  Q9XEI3
Small Molecules
Ligands 5 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
MAN
Query on MAN

Download SDF File 
Download CCD File 
A
ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-N
 Ligand Interaction
FUC
Query on FUC

Download SDF File 
Download CCD File 
A
ALPHA-L-FUCOSE
C6 H12 O5
SHZGCJCMOBCMKK-SXUWKVJYSA-N
 Ligand Interaction
BMA
Query on BMA

Download SDF File 
Download CCD File 
A
BETA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-RWOPYEJCSA-N
 Ligand Interaction
TCB
Query on TCB

Download SDF File 
Download CCD File 
A
THIOCELLOBIOSE
C12 H22 O10 S
VDQIIPZYLPYPNM-QRZGKKJRSA-N
 Ligand Interaction
NAG
Query on NAG

Download SDF File 
Download CCD File 
A
N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
 Ligand Interaction
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 = 102.420α = 90.00
b = 102.420β = 90.00
c = 185.480γ = 90.00
Software Package:
Software NamePurpose
CNSphasing
DENZOdata reduction
CNSrefinement
SCALEPACKdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2001-11-14
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Non-polymer description, Version format compliance