4RS0

Crystal Structure of Murine H90W Cyclooxygenase-2 Complexed with S-ibuprofen

• PDB DOI: https://doi.org/10.2210/pdb4RS0/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Mus musculus
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 


• Deposited: 2014-11-06 Released: 2015-04-08 
• Deposition Author(s): Xu, S., Blobaum, A.L., Banerjee, S., Marnett, L.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.81 Å
• R-Value Free: 0.198 
• R-Value Work: 0.172 
• R-Value Observed: 0.173 

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)

Macromolecule Content

• Total Structure Weight: 68.75 kDa 
• Atom Count: 4,715 
• Modelled Residue Count: 557 
• Deposited Residue Count: 587 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Prostaglandin G/H synthase 2	A	587	Mus musculus	Mutation(s): 1  Gene Names: Ptgs2, Cox-2, Cox2, Pghs-b, Tis10 EC: 1.14.99.1
UniProt
Find proteins for Q05769 (Mus musculus) Explore Q05769  Go to UniProtKB:  Q05769

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BOG	C [auth A]	octyl beta-D-glucopyranoside C14 H28 O6 HEGSGKPQLMEBJL-RKQHYHRCSA-N
NAG	D [auth A], E [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
IBP	F [auth A]	IBUPROFEN C13 H18 O2 HEFNNWSXXWATRW-JTQLQIEISA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
IBP	BindingDB:  4RS0	Ki: min: 7200, max: 1.00e+4 (nM) from 4 assay(s)
		IC50: min: 100, max: 3.70e+5 (nM) from 26 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.81 Å
• R-Value Free: 0.198 
• R-Value Work: 0.172 
• R-Value Observed: 0.173 
• Space Group: I 4₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 173.207	α = 90
b = 173.207	β = 90
c = 204.364	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASES	phasing
PHENIX	refinement
HKL-2000	data reduction
XDS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-04-08 
Deposition Author(s): Xu, S., Blobaum, A.L., Banerjee, S., Marnett, L.J.

Revision History  

• Version 1.0: 2015-04-08
  Type: Initial release
  
• Version 1.1: 2015-05-06
  Changes: Database references
• Version 1.2: 2015-06-03
  Changes: Database references
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Structure summary
• Version 2.1: 2023-09-20
  Changes: Data collection, Database references, Refinement description, Structure summary