| IED ID | IndEnz0018001627 |
| Enzyme Type ID | peroxidase001627 |
| Protein Name |
Prostaglandin E synthase EC 5.3.99.3 Glutathione peroxidase PTGES EC 1.11.1.- Glutathione transferase PTGES EC 2.5.1.18 Microsomal prostaglandin E synthase 1 MPGES-1 |
| Gene Name | PTGES |
| Organism | Equus caballus (Horse) |
| Taxonomic Lineage | cellular organisms Eukaryota Opisthokonta Metazoa Eumetazoa Bilateria Deuterostomia Chordata Craniata Vertebrata Gnathostomata (jawed vertebrates) Teleostomi Euteleostomi Sarcopterygii Dipnotetrapodomorpha Tetrapoda Amniota Mammalia Theria Eutheria Boreoeutheria Laurasiatheria Perissodactyla (odd-toed ungulates) Equidae (horses) Equus Equus Equus caballus (Horse) |
| Enzyme Sequence | MPPPSLAMVSGQALPAFLLCSTLLVIKMYAVAVITGQVRLRKKAFANPEDALRHGGLQFHRDDQDVERCLRAHRNDMETIYPFLFLGLVYSFLGPDPFVAQMHFLVFFLGRMVHTVAYLGKLRAPTRSLAYTVAQLPCASMALQIVWEAARHL |
| Enzyme Length | 153 |
| Uniprot Accession Number | Q8HZJ2 |
| Absorption | |
| Active Site | |
| Activity Regulation | |
| Binding Site | BINDING 39; /note=Glutathione; /evidence=ECO:0000250|UniProtKB:O14684; BINDING 114; /note=Glutathione; /evidence=ECO:0000250|UniProtKB:O14684; BINDING 118; /note=Glutathione; /evidence=ECO:0000250|UniProtKB:O14684 |
| Calcium Binding | |
| catalytic Activity | CATALYTIC ACTIVITY: Reaction=prostaglandin H2 = prostaglandin E2; Xref=Rhea:RHEA:12893, ChEBI:CHEBI:57405, ChEBI:CHEBI:606564; EC=5.3.99.3; Evidence={ECO:0000250|UniProtKB:O14684};PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:12894; Evidence={ECO:0000250|UniProtKB:O14684}; CATALYTIC ACTIVITY: Reaction=2-glyceryl-prostaglandin H2 = 2-glyceryl-prostaglandin E2; Xref=Rhea:RHEA:53324, ChEBI:CHEBI:85166, ChEBI:CHEBI:137172; Evidence={ECO:0000250|UniProtKB:O14684};PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:53325; Evidence={ECO:0000250|UniProtKB:O14684}; CATALYTIC ACTIVITY: Reaction=prostaglandin G2 = (15S)-15-hydroperoxy-prostaglandin E2; Xref=Rhea:RHEA:64364, ChEBI:CHEBI:82629, ChEBI:CHEBI:152564; Evidence={ECO:0000250|UniProtKB:O14684};PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:64365; Evidence={ECO:0000250|UniProtKB:O14684}; CATALYTIC ACTIVITY: Reaction=1-chloro-2,4-dinitrobenzene + glutathione = 2,4-dinitrophenyl-S-glutathione + chloride + H(+); Xref=Rhea:RHEA:51220, ChEBI:CHEBI:15378, ChEBI:CHEBI:17996, ChEBI:CHEBI:34718, ChEBI:CHEBI:57925, ChEBI:CHEBI:133977; EC=2.5.1.18; Evidence={ECO:0000250|UniProtKB:O14684}; CATALYTIC ACTIVITY: Reaction=(5S)-hydroperoxy-(6E,8Z,11Z,14Z)-eicosatetraenoate + 2 glutathione = (5S)-hydroxy-(6E,8Z,11Z,14Z)-eicosatetraenoate + glutathione disulfide + H2O; Xref=Rhea:RHEA:48620, ChEBI:CHEBI:15377, ChEBI:CHEBI:57450, ChEBI:CHEBI:57925, ChEBI:CHEBI:58297, ChEBI:CHEBI:90632; Evidence={ECO:0000250|UniProtKB:O14684}; |
| DNA Binding | |
| EC Number | 5.3.99.3; 1.11.1.-; 2.5.1.18 |
| Enzyme Function | FUNCTION: Terminal enzyme of the cyclooxygenase (COX)-2-mediated prostaglandin E2 (PGE2) biosynthetic pathway. Catalyzes the glutathione-dependent oxidoreduction of prostaglandin endoperoxide H2 (PGH2) to prostaglandin E2 (PGE2) in response to inflammatory stimuli (By similarity). Plays a key role in inflammation response, fever and pain (By similarity). Catalyzes also the oxidoreduction of endocannabinoids into prostaglandin glycerol esters and PGG2 into 15-hydroperoxy-PGE2. In addition, displays low glutathione transferase and glutathione-dependent peroxidase activities, toward 1-chloro-2,4-dinitrobenzene and 5-hydroperoxyicosatetraenoic acid (5-HPETE), respectively (By similarity). {ECO:0000250|UniProtKB:O14684, ECO:0000250|UniProtKB:Q9JM51}. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | PATHWAY: Lipid metabolism; prostaglandin biosynthesis. {ECO:0000250|UniProtKB:O14684}. |
| nucleotide Binding | |
| Features | Binding site (3); Chain (1); Region (2); Site (2); Topological domain (4); Transmembrane (4) |
| Keywords | Cytoplasm;Fatty acid biosynthesis;Fatty acid metabolism;Isomerase;Lipid biosynthesis;Lipid metabolism;Membrane;Oxidoreductase;Prostaglandin biosynthesis;Prostaglandin metabolism;Reference proteome;Transferase;Transmembrane;Transmembrane helix |
| Interact With | |
| Induction | |
| Subcellular Location | SUBCELLULAR LOCATION: Membrane {ECO:0000250|UniProtKB:O14684}; Multi-pass membrane protein {ECO:0000250|UniProtKB:O14684}. Cytoplasm, perinuclear region {ECO:0000250|UniProtKB:O14684}. Note=Colocalizes with PTGS1/COX-1 and PTGS2/COX-2 in the perinuclear compartment. {ECO:0000250|UniProtKB:O14684}. |
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | |
| Structure 3D | |
| Cross Reference PDB | - |
| Mapped Pubmed ID | - |
| Motif | |
| Gene Encoded By | |
| Mass | 17,172 |
| Kinetics | |
| Metal Binding | |
| Rhea ID | RHEA:12893; RHEA:12894; RHEA:53324; RHEA:53325; RHEA:64364; RHEA:64365; RHEA:51220; RHEA:48620 |
| Cross Reference Brenda |