4JQ1

AKR1C2 complex with naproxen

• PDB DOI: https://doi.org/10.2210/pdb4JQ1/pdb

• Classification: Oxidoreductase/Oxidoreductase inhibitor
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-03-19 Released: 2014-04-02 
• Deposition Author(s): Yosaatmadja, Y., Flanagan, J.U., Squire, C.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.236 
• R-Value Work: 0.192 
• R-Value Observed: 0.194 

Literature

Structural basis of NSAID selectivity for the aldo-keto reductase 1C family

Yosaatmadja, Y., Flanagan, J.U., Squire, C.J.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 78.03 kDa 
• Atom Count: 5,535 
• Modelled Residue Count: 632 
• Deposited Residue Count: 662 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aldo-keto reductase family 1 member C2	A, B	331	Homo sapiens	Mutation(s): 0  Gene Names: AKR1C2, DDH2 EC: 1 (PDB Primary Data), 1.3.1.20 (PDB Primary Data), 1.1.1.213 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for P52895 (Homo sapiens) Explore P52895  Go to UniProtKB:  P52895
PHAROS:  P52895 GTEx:  ENSG00000151632

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAP	D [auth A], H [auth B]	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H28 N7 O17 P3 XJLXINKUBYWONI-NNYOXOHSSA-N
NPS	C [auth A], G [auth B]	(2S)-2-(6-methoxynaphthalen-2-yl)propanoic acid C14 H14 O3 CMWTZPSULFXXJA-VIFPVBQESA-N
TLA	F [auth A]	L(+)-TARTARIC ACID C4 H6 O6 FEWJPZIEWOKRBE-JCYAYHJZSA-N
PO4	J [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
EDO	E [auth A], I [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
NPS	BindingDB:  4JQ1	IC50: min: 180, max: 1.00e+5 (nM) from 6 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.236 
• R-Value Work: 0.192 
• R-Value Observed: 0.194 
• Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 142.519	α = 90
b = 142.519	β = 90
c = 205.773	γ = 120

Software Package:

Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-04-02 
Deposition Author(s): Yosaatmadja, Y., Flanagan, J.U., Squire, C.J.

Revision History  

• Version 1.0: 2014-04-02
  Type: Initial release
  
• Version 1.1: 2014-10-15
  Changes: Structure summary
• Version 1.2: 2018-01-24
  Changes: Advisory, Structure summary
• Version 1.3: 2024-02-28
  Changes: Advisory, Data collection, Database references, Derived calculations
• Version 1.4: 2024-04-03
  Changes: Refinement description