3U2C

Aldose reductase in complex with NSAID-type inhibitor at 1.0 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3U2C/pdb

• Classification: OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2011-10-03 Released: 2011-11-02 
• Deposition Author(s): Steuber, H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.00 Å
• R-Value Free: 0.138 
• R-Value Work: 0.113 
• R-Value Observed: 0.114 

Literature

An old NSAID revisited: crystal structure of aldose reductase in complex with sulindac at 1.0 A supports a novel mechanism for its anticancer and antiproliferative effects.

Steuber, H.

(2011) ChemMedChem 6: 2155-2157

• PubMed: 21997888 
• DOI: https://doi.org/10.1002/cmdc.201100374
• Primary Citation of Related Structures:  
  3U2C

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Organizational Affiliation: 

Proteros Biostructures GmbH, Am Klopferspitz 19, 82152 Martinsried, Germany. [e-mail]

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 37.95 kDa 
• Atom Count: 3,040 
• Modelled Residue Count: 315 
• Deposited Residue Count: 316 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aldose reductase	A	316	Homo sapiens	Mutation(s): 0  Gene Names: AKR1B1, aldose reductase, ALDR1 EC: 1.1.1.21
UniProt & NIH Common Fund Data Resources
Find proteins for P15121 (Homo sapiens) Explore P15121  Go to UniProtKB:  P15121
PHAROS:  P15121 GTEx:  ENSG00000085662

Small Molecules

Ligands 6 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAP	B [auth A]	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H28 N7 O17 P3 XJLXINKUBYWONI-NNYOXOHSSA-N
SUZ	G [auth A]	[(1Z)-5-fluoro-2-methyl-1-{4-[methylsulfinyl]benzylidene}-1H-inden-3-yl]acetic acid C20 H17 F O3 S MLKXDPUZXIRXEP-LQVWSKNFSA-N
PG4	I [auth A]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
CIT	F [auth A]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N
PG5	D [auth A], E [auth A]	1-METHOXY-2-[2-(2-METHOXY-ETHOXY]-ETHANE C8 H18 O4 YFNKIDBQEZZDLK-UHFFFAOYSA-N
PEG	C [auth A], H [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
SUZ	Binding MOAD:  3U2C	IC50: 400 (nM) from 1 assay(s)
	BindingDB:  3U2C	IC50: 293 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.00 Å
• R-Value Free: 0.138 
• R-Value Work: 0.113 
• R-Value Observed: 0.114 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.095	α = 90
b = 67.207	β = 92.38
c = 49.419	γ = 90

Software Package:

Software Name	Purpose
MOLREP	phasing
SHELXL-97	refinement
XDS	data reduction
XDS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-11-02 
Deposition Author(s): Steuber, H.

Revision History  

• Version 1.0: 2011-11-02
  Type: Initial release
  
• Version 1.1: 2013-07-03
  Changes: Database references
• Version 1.2: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description