1PTH

The Structural Basis of Aspirin Activity Inferred from the Crystal Structure of Inactivated Prostaglandin H2 Synthase

Structural Biology Knowledgebase: 1PTH SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.4 Å
  • R-Value Free: 0.227
  • R-Value Work: 0.186

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1PTH

Classification: OXIDOREDUCTASE

Total Structure Weight: 136400.42

Macromolecule Entities
Molecule Chains Length Organism Details
PROSTAGLANDIN H2 SYNTHASE-1 A, B 576 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)
SAL
Query on SAL

A, B 2-HYDROXYBENZOIC ACID
SALICYLIC ACID (Synonym)
C7 H6 O3
YGSDEFSMJLZEOE-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
0AH
Query on 0AH
A, B L-PEPTIDE LINKING C5 H8 Br N O4 SER

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.4 Å
  • R-Value Free: 0.227
  • R-Value Work: 0.186
  • Space Group: I 2 2 2

Unit Cell:

Length (Å) Angle (°)
a = 99.57 α = 90.00
b = 209.80 β = 90.00
c = 235.00 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-04-11
  • Released Date: 1996-04-11
  • Deposition author(s): Loll, P.J., Picot, D., Garavito, R.M.

Revision History

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