endochitinase activity

Definition

Target type: molecularfunction

Catalysis of the hydrolysis of nonterminal (1->4)-beta linkages of N-acetyl-D-glucosamine (GlcNAc) polymers of chitin and chitodextrins. Typically, endochitinases cleave randomly within the chitin chain. [EC:3.2.1.-, GOC:bf, GOC:kah, GOC:pde, PMID:11468293]

Endochitinase activity involves the hydrolysis of chitin, a linear polymer of N-acetylglucosamine, within the polymer chain. Chitin is a major structural component of fungal cell walls, arthropod exoskeletons, and the peritrophic membranes of insects. Endochitinases cleave the beta-1,4-glycosidic bonds between N-acetylglucosamine residues within the chitin molecule, resulting in shorter chitin oligomers. This activity plays a crucial role in various biological processes, including:

* **Fungal and bacterial pathogenesis:** Endochitinases produced by pathogenic fungi and bacteria degrade chitin in host tissues, facilitating invasion and infection.
* **Defense against pathogens:** Plants and animals synthesize endochitinases as part of their defense mechanisms against fungal and insect pathogens.
* **Nutrient cycling:** Endochitinases contribute to the breakdown of chitin in the environment, releasing N-acetylglucosamine monomers that can be used as a carbon and nitrogen source by other organisms.
* **Biocontrol:** Endochitinases are used as biocontrol agents against fungal and insect pests, providing an environmentally friendly alternative to chemical pesticides.
* **Industrial applications:** Endochitinases have potential applications in various industries, including food processing, cosmetics, and biofuel production.'
"

Proteins (1)

Compounds (5)