Prostaglandin-F synthase

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In enzymology, a prostaglandin-F synthase (EC 1.1.1.188) is an enzyme that catalyzes the chemical reaction

(5Z,13E)-(15S)-9alpha,11alpha,15-trihydroxyprosta-5,13-dienoate + NADP+ <math>\rightleftharpoons</math> (5Z,13E)-(15S)-9alpha,15-dihydroxy-11-oxoprosta-5,13-dienoate + NADPH + H+

Thus, the two substrates of this enzyme are (5Z,13E)-(15S)-9alpha,11alpha,15-trihydroxyprosta-5,13-dienoate and NADP+, whereas its 3 products are (5Z,13E)-(15S)-9alpha,15-dihydroxy-11-oxoprosta-5,13-dienoate, NADPH, and H+.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is (5Z,13E)-(15S)-9alpha,11alpha,15-trihydroxyprosta-5,13-dienoate:NADP + 11-oxidoreductase. Other names in common use include prostaglandin-D2 11-reductase, reductase, 15-hydroxy-11-oxoprostaglandin, PGD2 11-ketoreductase, PGF2alpha synthetase, prostaglandin 11-ketoreductase, prostaglandin D2-ketoreductase, prostaglandin F synthase, prostaglandin F synthetase, synthetase, prostaglandin F2alpha, prostaglandin-D2 11-reductase, PGF synthetase, NADPH-dependent prostaglandin D2 11-keto reductase, and prostaglandin 11-keto reductase. This enzyme participates in arachidonic acid metabolism.

Structural studies

As of late 2007, 7 structures have been solved for this class of enzymes, with PDB accession codes 1RY0, 1RY8, 1VBJ, 1XF0, 1ZQ5, 2F38, and 2FGB.

References

External links

The CAS registry number for this enzyme class is 55976-95-9.

Gene Ontology (GO) codes

Template:1.1.1-enzyme-stub


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