2BGQ

apo aldose reductase from barley

• PDB DOI: https://doi.org/10.2210/pdb2BGQ/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Hordeum vulgare
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2005-01-04 Released: 2006-06-22 
• Deposition Author(s): Olsen, J.G., Pedersen, L., Christensen, C.L., Olsen, O., Henriksen, A.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.249 
• R-Value Work: 0.196 
• R-Value Observed: 0.196 

Literature

Barley Aldose Reductase: Structure, Cofactor Binding, and Substrate Recognition in the Aldo/Keto Reductase 4C Family.

Olsen, J.G., Pedersen, L., Christensen, C.L., Olsen, O., Henriksen, A.

(2008) Proteins 71: 1572

• PubMed: 18300247 
• DOI: https://doi.org/10.1002/prot.21996
• Primary Citation of Related Structures:  
  2BGQ, 2BGS, 2VDG

---

Organizational Affiliation: 

Biostructure Group, Carlsberg Laboratory, Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 38.94 kDa 
• Atom Count: 2,612 
• Modelled Residue Count: 305 
• Deposited Residue Count: 344 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ALDOSE REDUCTASE	A	344	Hordeum vulgare	Mutation(s): 0  EC: 1.1.1.21
UniProt
Find proteins for P23901 (Hordeum vulgare) Explore P23901  Go to UniProtKB:  P23901

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.249 
• R-Value Work: 0.196 
• R-Value Observed: 0.196 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.518	α = 90
b = 69.18	β = 95.99
c = 50.468	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-06-22 
Deposition Author(s): Olsen, J.G., Pedersen, L., Christensen, C.L., Olsen, O., Henriksen, A.

Revision History  

• Version 1.0: 2006-06-22
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-12-13
  Changes: Data collection, Database references, Other, Refinement description