7ZEJ

Crystal structure of the human MGC45594 gene product in complex with celecoxib.

• PDB DOI: https://doi.org/10.2210/pdb7ZEJ/pdb

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


• Deposited: 2022-03-31 Released: 2022-05-04 
• Deposition Author(s): Shafqat, N., Yue, W.W., Koekemoer, L., Niesen, F., Ugochukwu, E., Vollmar, M., Weigelt, J., Krojer, T., Pike, A., Chaikaud, A., Von Delft, F., Arrowsmith, C., Bountra, C., Edwards, A., Opperman, U., Structural Genomics Consortium (SGC)
• Funding Organization(s): The Structural Genomics Consortium (SGC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.79 Å
• R-Value Free: 0.234 
• R-Value Work: 0.185 

Literature

Human prostaglandin/alkenal reductases: substrate specificities, inhibitor profiles, structural insights and subcellular localization suggest protective roles in inflammatory and oxidative stress conditions.

Shafqat, N., Dakin, S.G., Estrada, F.M., Niesen, F.H., Wells, G., Yapp, C., Troumpra, M.K., Brotherton, D., Porte, S., Mesa, J., Yakovtseva, E., Farres, J., Pares, X., Liu, T., Altman, R., Carr, A., Koekemoer, L., Niesen, F., Yue, W.W., Opperman, U.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 74.75 kDa 
• Atom Count: 5,397 
• Modelled Residue Count: 681 
• Deposited Residue Count: 682 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Prostaglandin reductase 3	A, B	341	Homo sapiens	Mutation(s): 0  Gene Names: ZADH2, PTGR3 EC: 1.3.1.48
UniProt & NIH Common Fund Data Resources
Find proteins for Q8N4Q0 (Homo sapiens) Explore Q8N4Q0  Go to UniProtKB:  Q8N4Q0
PHAROS:  Q8N4Q0 GTEx:  ENSG00000180011

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAP (Subject of Investigation/LOI)	C [auth A], E [auth B]	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H28 N7 O17 P3 XJLXINKUBYWONI-NNYOXOHSSA-N
CEL (Subject of Investigation/LOI)	D [auth A], F [auth B]	4-[5-(4-METHYLPHENYL)-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-1-YL]BENZENESULFONAMIDE C17 H14 F3 N3 O2 S RZEKVGVHFLEQIL-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.79 Å
• R-Value Free: 0.234 
• R-Value Work: 0.185 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.83	α = 93.86
b = 51.41	β = 91.48
c = 75.88	γ = 101.29

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-05-04 
Deposition Author(s): Shafqat, N., Yue, W.W., Koekemoer, L., Niesen, F., Ugochukwu, E., Vollmar, M., Weigelt, J., Krojer, T., Pike, A., Chaikaud, A., Von Delft, F., Arrowsmith, C., Bountra, C., Edwards, A., Opperman, U., Structural Genomics Consortium (SGC)

---

Funding Organization	Location	Grant Number
The Structural Genomics Consortium (SGC)	Canada	--

Revision History  

• Version 1.0: 2022-05-04
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Derived calculations, Refinement description