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5.3.99.4: prostaglandin-I synthase

This is an abbreviated version!
For detailed information about prostaglandin-I synthase, go to the full flat file.

Word Map on EC 5.3.99.4

Reaction

(5Z,13E,15S)-9alpha,11alpha-epidioxy-15-hydroxyprosta-5,13-dienoate
=
(5Z,13E,15S)-6,9alpha-epoxy-11alpha,15-dihydroxyprosta-5,13-dienoate

Synonyms

Aortic cytochrom P450, CYP8A1, PGI synthase, PGI2 synthase, PGI2 synthetase, PGI2-S, PGIS, prostacyclin synthase, Prostacyclin synthetase, prostacyclin-synthase, prostacyclin/PGI2 synthase, Prostacycline synthetase, prostaglandin I synthase, Prostaglandin I2 synthase, Prostaglandin I2 synthetase, Ptgis, Synthetase, prostacyclin

ECTree

     5 Isomerases
         5.3 Intramolecular oxidoreductases
             5.3.99 Other intramolecular oxidoreductases
                5.3.99.4 prostaglandin-I synthase

Specific Activity

Specific Activity on EC 5.3.99.4 - prostaglandin-I synthase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.11
-
production of 6-keto-prostaglandin F1alpha
0.136
-
-
0.975
-
-
1.6
-
solubilized microsomes
15
-
purified enzyme, at 24°C
2.6
-
after calcium phosphate gel
4.3
-
after DEAE-sepharose chromatography
46
-
CM column, assayed at 23°C using 30 microM prostaglandin H1 as the substrate
7.1
-
after hydroxyapatite chromatography
additional information