3KRK

X-ray crystal structure of arachidonic acid bound in the cyclooxygenase channel of L531F murine COX-2

Structural Biology Knowledgebase: 3KRK SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.228
  • R-Value Work: 0.179

Literature

Macromolecules
Sequence Display for 3KRK

Classification: OXIDOREDUCTASE

Total Structure Weight: 141235.70

Macromolecule Entities
Molecule Chains Length Organism Details
Prostaglandin G/H synthase 2 A, B 591 Mus musculus EC#: 1.14.99.1 IUBMB
Fragment: UNP residues 20-604
Mutation: L531F, N594A
Gene Name(s): Ptgs2 Cox-2 Cox2 Pghs-b Tis10
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: inferred by homology | Group: MONOTOPIC MEMBRANE PROTEINS

Subgroup Name: Cyclooxygenases

Protein Name: Cyclooxygenase-2


Small Molecules
Ligands 7 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
COH
Query on COH

A, B PROTOPORPHYRIN IX CONTAINING CO
C34 H32 Co N4 O4
AQTFKGDWFRRIHR-CTESUSPADG
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACD
Query on ACD

A, B ARACHIDONIC ACID
C20 H32 O2
YZXBAPSDXZZRGB-DOFZRALJSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BOG
Query on BOG

A, B B-OCTYLGLUCOSIDE
C14 H28 O6
HEGSGKPQLMEBJL-RKQHYHRCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

A, B N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MAN
Query on MAN

B ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A, B GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
AKR
Query on AKR

A, B ACRYLIC ACID
C3 H4 O2
NIXOWILDQLNWCW-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.228
  • R-Value Work: 0.179
  • Space Group: I 2 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 120.79 α = 90.00
b = 133.04 β = 90.00
c = 180.65 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2009-11-18
  • Released Date: 2010-05-12
  • Deposition author(s): Vecchio, A.J., Simmons, D.M., Malkowski, M.G.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4