15-oxoprostaglandin 13-oxidase

Class of enzymes From Wikipedia, the free encyclopedia

In enzymology, 15-oxoprostaglandin 13-oxidase (EC 1.3.1.48) is an enzyme that catalyzes the chemical reaction

2D representation of the chemical structure of Q27283444.
15-oxodihydroprostaglandin E1
 
 
 
H+
Reversible left-right reaction arrow with minor forward product(s) to top right and minor reverse substrate(s) from bottom right
 
H+
 
2D representation of the chemical structure of Q27098096.
15-oxoprostaglandin E1
 

The two substrates of this enzyme are 15-oxodihydroprostaglandin E1 and oxidised nicotinamide adenine dinucleotide (NAD+). Its products are 15-oxoprostaglandin E1, reduced NADH, and a proton. The enzyme can also use nicotinamide adenine dinucleotide phosphate as an alternative cofactor.[1][2][3]

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-CH group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is (5Z)-(15S)-11alpha-hydroxy-9,15-dioxoprostanoate:NAD(P)+ Delta13-oxidoreductase. Other names in common use include 15-oxo-Delta13-prostaglandin reductase, Delta13-15-ketoprostaglandin reductase, 15-ketoprostaglandin Delta13-reductase, prostaglandin Delta13-reductase, prostaglandin 13-reductase, and 15-ketoprostaglandin Delta13-reductase.

Structural studies

As of late 2007, 4 structures have been solved for this class of enzymes, with PDB accession codes 1V3T, 1V3U, 1V3V, and 2DM6.

References

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