1EQG

THE 2.6 ANGSTROM MODEL OF OVINE COX-1 COMPLEXED WITH IBUPROFEN

Structural Biology Knowledgebase: 1EQG SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.61 Å
  • R-Value Free: 0.250
  • R-Value Work: 0.223

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1EQG

Classification: OXIDOREDUCTASE

Total Structure Weight: 137926.73

Macromolecule Entities
Molecule Chains Length Organism Details
PROSTAGLANDIN H2 SYNTHASE-1 A, B 580 Ovis aries EC#: 1.14.99.1 IUBMB
Gene Name(s): PTGS1 Gene View COX1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: MONOTOPIC MEMBRANE PROTEINS

Subgroup Name: Cyclooxygenases

Protein Name: Ram Prostaglandin H2 synthase-1 (cyclooxygenase-1 or COX-1)


Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
HEM
Query on HEM

A, B PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BOG
Query on BOG

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

A, B IBUPROFEN
2-(4-ISOBUTYLPHENYL)PROPIONIC ACID (Synonym)
C13 H18 O2
HEFNNWSXXWATRW-JTQLQIEISA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
IBP IC50: 99 - 26000 nM (92 - 99) BindingDB
Ki: 9000 nM (99) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.61 Å
  • R-Value Free: 0.250
  • R-Value Work: 0.223
  • Space Group: I 2 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 98.65 α = 90.00
b = 204.99 β = 90.00
c = 221.96 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-04-04
  • Released Date: 2001-04-11
  • Deposition author(s): Loll, P.J., Selinsky, B.S., Gupta, K., Sharkey, C.T.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update