Xanthoxin dehydrogenase

In enzymology, a xanthoxin dehydrogenase (EC 1.1.1.288) is an enzyme that catalyzes the chemical reaction

xanthoxin + NAD⁺ ${\displaystyle \rightleftharpoons }$ abscisic aldehyde + NADH + H⁺

Xanthoxin dehydrogenase
Identifiers
EC no.	1.1.1.288
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Search PMC articles PubMed articles NCBI proteins

Thus, the two substrates of this enzyme are xanthoxin and NAD⁺, whereas its 3 products are abscisic aldehyde, NADH, 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 xanthoxin:NAD⁺ oxidoreductase. Other names in common use include xanthoxin oxidase, and ABA2. This enzyme participates in carotenoid biosynthesis.