POP-OUT | CLOSE

An Information Portal to 105097 Biological Macromolecular Structures

The Structural Basis of Aspirin Activity Inferred from the Crystal Structure of Inactivated Prostaglandin H2 Synthase
Biology and Chemistry Report
1PTH
  •   Structure Details   Hide

    Structure Keywords

    Keywords OXIDOREDUCTASE
    Text DIOXYGENASE, PEROXIDASE, OXIDOREDUCTASE

    Polymeric Molecules

    Chain A,B
    Description PROSTAGLANDIN H2 SYNTHASE-1 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 66286.4 
    Source Method natural source  
    Entity Name CYCLOOXYGENASE I 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    BOG  B-OCTYLGLUCOSIDE  C14 H28 O6   292.37  View 
    HEM  PROTOPORPHYRIN IX CONTAINING FE  C34 H32 Fe N4 O4   616.49  View 
    NAG  N-ACETYL-D-GLUCOSAMINE  C8 H15 N O6   221.21  View 
    SAL  2-HYDROXYBENZOIC ACID  C7 H6 O3   138.12  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B PGH1_SHEEP P05979     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc Catalytic Site(s)
    A B  1.14.99.1        
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B
    GO ID   Ontology GO Term Definition
    1516   Prostaglandin Biosynthetic Process  The Chemical Reactions and Pathways Resulting in the Formation of Prostaglandins Any of a Group of Biologically Active Metabolites Which Contain a Cyclopentane Ring. 
    6629   Lipid Metabolic Process  The Chemical Reactions and Pathways Involving Lipids Compounds Soluble in an Organic Solvent But Not or Sparingly in an Aqueous Solvent. Includes Fatty Acids; Neutral Fats Other Fatty Acid Esters and Soaps; Long Chain (fatty) Alcohols and Waxes; Sphingoids and Other Long Chain Bases; Glycolipids Phospholipids and Sphingolipids; and Carotenes Polyprenols Sterols Terpenes and Other Isoprenoids. 
    6631   Fatty Acid Metabolic Process  The Chemical Reactions and Pathways Involving Fatty Acids Aliphatic Monocarboxylic Acids Liberated From Naturally Occurring Fats and Oils by Hydrolysis. 
    6633   Fatty Acid Biosynthetic Process  The Chemical Reactions and Pathways Resulting in the Formation of a Fatty Acid Any of the Aliphatic Monocarboxylic Acids That Can Be Liberated by Hydrolysis From Naturally Occurring Fats and Oils. Fatty Acids Are Predominantly Straight Chain Acids of 4 to 24 Carbon Atoms Which May Be Saturated or Unsaturated; Branched Fatty Acids and Hydroxy Fatty Acids Also Occur and Very Long Chain Acids of Over 30 Carbons Are Found in Waxes. 
    6693   Prostaglandin Metabolic Process  The Chemical Reactions and Pathways Involving Prostaglandins Any of a Group of Biologically Active Metabolites Which Contain a Cyclopentane Ring Due to the Formation of a Bond Between Two Carbons of a Fatty Acid. They Have a Wide Range of Biological Activities. 
    6954   Inflammatory Response  The Immediate Defensive Reaction (by Vertebrate Tissue) to Infection or Injury Caused by Chemical or Physical Agents. the Process Is Characterized by Local Vasodilation Extravasation of Plasma Into Intercellular Spaces and Accumulation of White Blood Cells and Macrophages. 
    6979   Response to Oxidative Stress  Any Process That Results in a Change in State or Activity of a Cell or an Organism (in Terms of Movement Secretion Enzyme Production Gene Expression Etc.) As a Result of Oxidative Stress a State Often Resulting From Exposure to High Levels of Reactive Oxygen Species E.g. Superoxide Anions Hydrogen Peroxide (h2o2) and Hydroxyl Radicals. 
    8217   Regulation of Blood Pressure  Any Process That Modulates the Force with Which Blood Travels Through the Circulatory System. the Process Is Controlled by a Balance of Processes That Increase Pressure and Decrease Pressure. 
    19371   Cyclooxygenase Pathway  The Chemical Reactions and Pathways by Which Prostaglandins Are Formed From Arachidonic Acid and in Which Prostaglandin Endoperoxide Synthase (cyclooxygenase) Catalyzes the Committed Step in the Conversion of Arachidonic Acid to the Prostaglandin Endoperoxides Pgg2 and Pgh2. 
    55114   Oxidation Reduction Process  A Metabolic Process That Results in the Removal or Addition of One or More Electrons to or From a Substance with or Without the Concomitant Removal or Addition of a Proton or Protons. 
    5634   Nucleus  A Membrane Bounded Organelle of Eukaryotic Cells in Which Chromosomes Are Housed and Replicated. in Most Cells the Nucleus Contains All of the Cell's Chromosomes Except the Organellar Chromosomes and Is the Site of RNA Synthesis and Processing. in Some Species or in Specialized Cell Types RNA Metabolism or DNA Replication May Be Absent. 
    5737   Cytoplasm  All of the Contents of a Cell Excluding the Plasma Membrane and Nucleus But Including Other Subcellular Structures. 
    5783   Endoplasmic Reticulum  The Irregular Network of Unit Membranes Visible Only by Electron Microscopy That Occurs in the Cytoplasm of Many Eukaryotic Cells. the Membranes Form a Complex Meshwork of Tubular Channels Which Are Often Expanded Into Slitlike Cavities Called Cisternae. the Er Takes Two Forms Rough (or Granular) with Ribosomes Adhering to the Outer Surface and Smooth (with No Ribosomes Attached). 
    5789   Endoplasmic Reticulum Membrane  The Lipid Bilayer Surrounding the Endoplasmic Reticulum. 
    16020   Membrane  Double Layer of Lipid Molecules That Encloses All Cells and in Eukaryotes Many Organelles; May Be a Single or Double Lipid Bilayer; Also Includes Associated Proteins. 
    16021   Integral Component of Membrane  The Component of a Membrane Consisting of Gene Products and Protein Complexes That Have Some Part That Penetrates At Least One Leaflet of the Membrane Bilayer. This Component Includes Gene Products That Are Buried in the Bilayer with No Exposure Outside the Bilayer. 
    31090   Organelle Membrane  A Membrane That Is One of the Two Lipid Bilayers of an Organelle Envelope or the Outermost Membrane of Single Membrane Bound Organelle. 
    43231   Intracellular Membrane Bounded Organelle  Organized Structure of Distinctive Morphology and Function Bounded by a Single or Double Lipid Bilayer Membrane and Occurring Within the Cell. Includes the Nucleus Mitochondria Plastids Vacuoles and Vesicles. Excludes the Plasma Membrane. 
    4601   Peroxidase Activity  Catalysis of the Reaction: Donor + Hydrogen Peroxide = Oxidized Donor + 2 H2o. 
    4666   Prostaglandin Endoperoxide Synthase Activity  Catalysis of the Reaction: Arachidonate + Donor H2 + 2 O2 = Prostaglandin H2 + Acceptor + H2o. 
    16491   Oxidoreductase Activity  Catalysis of an Oxidation Reduction (redox) Reaction a Reversible Chemical Reaction in Which the Oxidation State of an Atom or Atoms Within a Molecule Is Altered. One Substrate Acts As a Hydrogen or Electron Donor and Becomes Oxidized While the Other Acts As Hydrogen or Electron Acceptor and Becomes Reduced. 
    20037   Heme Binding  Interacting Selectively and Non Covalently with Heme Any Compound of Iron Complexed in a Porphyrin (tetrapyrrole) Ring. 
    46872   Metal Ion Binding  Interacting Selectively and Non Covalently with Any Metal Ion. 
    51213   Dioxygenase Activity  Catalysis of an Oxidation Reduction (redox) Reaction in Which Both Atoms of Oxygen From One Molecule of O2 Are Incorporated Into the (reduced) Product(s) of the Reaction. the Two Atoms of Oxygen May Be Distributed Between Two Different Products. 


     
  •   Gene Details   Hide

    Natural Source

    Chain A,B
    Common Name Sheep
    Scientific Name Ovis aries  
    Organelle Seminal Vesicles