CATH Classification

Domain Context

CATH Clusters

Superfamily 1.10.530.10
Functional Family Endochitinase EP3

Enzyme Information

3.2.1.14
Chitinase.
based on mapping to UniProt P29022
Random endo-hydrolysis of N-acetyl-beta-D-glucosaminide (1->4)-beta- linkages in chitin and chitodextrins.
-!- The enzyme binds to chitin and randomly cleaves glycosidic linkages in chitin and chitodextrins in a non-processive mode, generating chitooligosaccharides and free ends on which exo-chitinases and exo- chitodextrinases can act. -!- Activity is greatly stimulated in the presence of EC 1.14.99.53, which attacks the crystalline structure of chitin and makes the polymer more accesible to the chitinase. -!- Cf. EC 3.2.1.202.

UniProtKB Entries (1)

P29022
CHIA_MAIZE
Zea mays
Endochitinase A

PDB Structure

PDB 4MCK
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystallographic structure of ChitA, a glycoside hydrolase family 19, plant class IV chitinase from Zea mays.
Chaudet, M.M., Naumann, T.A., Price, N.P., Rose, D.R.
Protein Sci.
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