4E1G

X-ray crystal structure of alpha-linolenic acid bound to the cyclooxygenase channel of cyclooxygenase-2

Structural Biology Knowledgebase: 4E1G SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.203
  • R-Value Work: 0.159

Literature

Macromolecules
Sequence Display for 4E1G

Classification: oxidoreductase

Total Structure Weight: 144728.06

Macromolecule Entities
Molecule Chains Length Organism Details
Prostaglandin G/H synthase 2 A, B 610 Mus musculus EC#: 1.14.99.1 IUBMB
Fragment: UNP Residues 1-604
Mutation: 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)
BOG
Query on BOG

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

A, B ALPHA-LINOLENIC ACID
C18 H30 O2
DTOSIQBPPRVQHS-PDBXOOCHSA-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

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

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

A, B 1,2-ETHANEDIOL
ETHYLENE GLYCOL (Synonym)
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
LNL IC50: 12000 nM (86) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.203
  • R-Value Work: 0.159
  • Space Group: I 2 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 120.38 α = 90.00
b = 132.13 β = 90.00
c = 180.44 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-03-06
  • Released Date: 2012-04-25
  • Deposition author(s): Vecchio, A.J., Malkowski, M.G.

Revision History

  • 2012-08-01
    Type: Citation | Details: Citation update
  • 2012-06-13
    Type: Citation | Details: Citation update