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Guidelines

MIRAGE

prostaglandin-endoperoxide synthase 1

Summary

Gene Symbol

PTGS1

Organism

Ovis aries (sheep)

External Links

NCBI Gene: 443551
KEGG Gene ID: oas:443551
PubChem: 443551

Annotation

Keyword

3D-structure
Dioxygenase
Direct protein sequencing
Disulfide bond
EGF-like domain
Glycoprotein
Heme
Microsome
Peroxidase
Prostaglandin biosynthesis
Reference proteome
Signal
Transmembrane helix

Proteins

Displaying 1 entry
UniProt	Protein Name
P05979	Cyclooxygenase-1 Prostaglandin H2 synthase 1 Prostaglandin-endoperoxide synthase 1

Annotation information from UniProt.

Gene Ontology (GO)

Displaying **all 4** entries
GO Term	Evidence Code	PMID
prostaglandin biosynthetic process
response to oxidative stress	IEA	22301074
regulation of blood pressure
cyclooxygenase pathway	IEA	30032202

GO Hierarchy

biological process

metabolic process [inference]

biosynthetic process [inference]

cellular biosynthetic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

small molecule biosynthetic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

organic substance biosynthetic process [inference]

lipid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

cellular metabolic process [inference]

organic acid metabolic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

oxoacid metabolic process [inference]

carboxylic acid metabolic process [inference]

icosanoid metabolic process [inference]

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid metabolic process [inference]

fatty acid metabolic process [inference]

long-chain fatty acid metabolic process [inference]

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

unsaturated fatty acid metabolic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

cellular biosynthetic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

cellular lipid metabolic process [inference]

fatty acid metabolic process [inference]

long-chain fatty acid metabolic process [inference]

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

unsaturated fatty acid metabolic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

primary metabolic process [inference]

lipid metabolic process [inference]

lipid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

cellular lipid metabolic process [inference]

fatty acid metabolic process [inference]

long-chain fatty acid metabolic process [inference]

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

unsaturated fatty acid metabolic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

small molecule metabolic process [inference]

organic acid metabolic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

oxoacid metabolic process [inference]

carboxylic acid metabolic process [inference]

icosanoid metabolic process [inference]

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid metabolic process [inference]

fatty acid metabolic process [inference]

long-chain fatty acid metabolic process [inference]

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

unsaturated fatty acid metabolic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

small molecule biosynthetic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

organic substance metabolic process [inference]

organic acid metabolic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

oxoacid metabolic process [inference]

carboxylic acid metabolic process [inference]

icosanoid metabolic process [inference]

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid metabolic process [inference]

fatty acid metabolic process [inference]

long-chain fatty acid metabolic process [inference]

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

unsaturated fatty acid metabolic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

lipid metabolic process [inference]

lipid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

cellular lipid metabolic process [inference]

fatty acid metabolic process [inference]

long-chain fatty acid metabolic process [inference]

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

unsaturated fatty acid metabolic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

olefinic compound metabolic process [inference]

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

organic substance biosynthetic process [inference]

lipid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

cellular process [inference]

cellular metabolic process [inference]

organic acid metabolic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

oxoacid metabolic process [inference]

carboxylic acid metabolic process [inference]

icosanoid metabolic process [inference]

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid metabolic process [inference]

fatty acid metabolic process [inference]

long-chain fatty acid metabolic process [inference]

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

unsaturated fatty acid metabolic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

cellular biosynthetic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

icosanoid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

monocarboxylic acid biosynthetic process [inference]

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

cellular lipid metabolic process [inference]

fatty acid metabolic process [inference]

long-chain fatty acid metabolic process [inference]

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

fatty acid biosynthetic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

unsaturated fatty acid metabolic process [inference]

unsaturated fatty acid biosynthetic process [inference]

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

prostanoid metabolic process [inference]

prostaglandin metabolic process [inference]

prostaglandin biosynthetic process

prostanoid biosynthetic process [inference]

prostaglandin biosynthetic process

arachidonic acid metabolic process [inference]

cyclooxygenase pathway

response to stimulus [inference]

response to stress [inference]

response to oxidative stress

biological regulation [inference]

regulation of biological quality [inference]

regulation of blood pressure

Displaying **all 4** entries
GO Term	Evidence Code	PMID
cytoplasm	IEA	30032202
endoplasmic reticulum membrane
neuron projection	IEA	30032202
intracellular membrane-bounded organelle

GO Hierarchy

cellular component

cellular anatomical entity [inference]

cytoplasm

membrane [inference]

organelle membrane [inference]

endoplasmic reticulum membrane

cell projection [inference]

plasma membrane bounded cell projection [inference]

neuron projection

organelle [inference]

membrane-bounded organelle [inference]

intracellular membrane-bounded organelle

intracellular organelle [inference]

intracellular membrane-bounded organelle

Displaying entries **1 - 5** of 6 in total

1

2

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GO Term	Evidence Code	PMID
peroxidase activity	IEA	22301074
prostaglandin-endoperoxide synthase activity	IEA	30032202
oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen	IEA	30032202
heme binding	IEA	22301074
protein homodimerization activity

GO Hierarchy

molecular function

catalytic activity [inference]

oxidoreductase activity [inference]

oxidoreductase activity, acting on peroxide as acceptor [inference]

peroxidase activity

oxidoreductase activity, acting on single donors with incorporation of molecular oxygen [inference]

oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen

oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen [inference]

prostaglandin-endoperoxide synthase activity

dioxygenase activity [inference]

oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen

binding [inference]

protein binding [inference]

identical protein binding [inference]

protein homodimerization activity

protein dimerization activity [inference]

protein homodimerization activity

ion binding [inference]

cation binding [inference]

metal ion binding

organic cyclic compound binding [inference]

tetrapyrrole binding [inference]

heme binding

antioxidant activity [inference]

peroxidase activity

Gene Ontology information from NCBI Gene and UniProt.

OrthoDB (Group)

Group level

Eukaryota

Group Name

peroxidase

Functional Category

Q: Secondary metabolites biosynthesis, transport and catabolism
T: Signal transduction mechanisms
V: Defense mechanisms

Displaying **all 4** entries
Gene Ontology
cellular oxidant detoxification
heme binding
metal ion binding
response to oxidative stress

Displaying **all 3** entries
InterPro
Haem peroxidase domain superfamily, animal type
Haem peroxidase superfamily
Haem peroxidase, animal-type

KEGG BRITE Database

Orthology

K00509

Name

prostaglandin-endoperoxide synthase 1 [EC:1.14.99.1]

References

Rhea

O₂ + AH₂ + (5Z,8Z,11Z,14Z)-eicosatetraenoate

A + H₂O + prostaglandin H₂

Enzyme

1.14.99.1

PMID

Ortholog

Displaying entries **1 - 10** of 73 in total

1

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Species	Gene ID	Alliance of Genome Resources	Orthologous MAtrix
Homo sapiens	5742		HUMAN98293
Mus musculus	19224		MOUSE35726
Rattus norvegicus	24693		RATNO28124
Bos taurus	282022		BOVIN03045
Sus scrofa	397541		PIGXX16097
Canis lupus familiaris	403544		CANLF19475
Pan troglodytes	464713		PANTR44753
Macaca mulatta	698213		MACMU12745
Oryctolagus cuniculus	100009407		RABIT14000
Equus caballus	100034087		HORSE24527

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Last updated: December 8, 2025