3AIS

Crystal structure of a mutant beta-glucosidase in wheat complexed with DIMBOA-Glc

• PDB DOI: https://doi.org/10.2210/pdb3AIS/pdb

• Classification: HYDROLASE
• Organism(s): Triticum aestivum
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2010-05-18 Released: 2011-03-16 
• Deposition Author(s): Sue, M., Nakamura, C., Miyamoto, T., Yajima, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.231 
• R-Value Work: 0.221 
• R-Value Observed: 0.222 

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 64.5 kDa 
• Atom Count: 4,294 
• Modelled Residue Count: 491 
• Deposited Residue Count: 565 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-glucosidase	A	565	Triticum aestivum	Mutation(s): 1  Gene Names: TaGlu1b EC: 3.2.1.21
UniProt
Find proteins for Q1XH05 (Triticum aestivum) Explore Q1XH05  Go to UniProtKB:  Q1XH05

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HBK	C [auth A]	(2S)-2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one C9 H9 N O5 GDNZNIJPBQATCZ-VIFPVBQESA-N
BGC	B [auth A]	beta-D-glucopyranose C6 H12 O6 WQZGKKKJIJFFOK-VFUOTHLCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.231 
• R-Value Work: 0.221 
• R-Value Observed: 0.222 
• Space Group: P 4₁ 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 194.053	α = 90
b = 194.053	β = 90
c = 194.053	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-03-16 
Deposition Author(s): Sue, M., Nakamura, C., Miyamoto, T., Yajima, S.

Revision History  

• Version 1.0: 2011-03-16
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2012-04-04
  Changes: Database references
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary
• Version 1.4: 2023-11-01
  Changes: Data collection, Database references, Refinement description, Structure summary