SMART accession number:SM01110
Description: This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name of this enzyme class is cutin hydrolase. Aerial plant organs are protected by a cuticle composed of an insoluble polymeric structural compound, cutin, which is a polyester composed of hydroxy and hydroxyepoxy fatty acids. Plant pathogenic fungi produce extracellular degradative enzymes that play an important role in pathogenesis. They include cutinase, which hydrolyses cutin, facilitating fungus penetration through the cuticle. Inhibition of the enzyme can prevent fungal infection through intact cuticles. Cutin monomers released from the cuticle by small amounts of cutinase on fungal spore surfaces can greatly increase the amount of cutinase secreted by the spore, the mechanism for which process is as yet unknown. (PMID 1557023)
Family alignment:
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There are 1627 Cutinase domains in 1627 proteins in SMART's nrdb database.

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