Answer :
Chitinase is an enzyme that breaks down the chitin molecules in the insect exoskeleton. The sequence of amino acids in the chitinase is an example of which level of protein structure is primary.
- Chitinases are a common component of all living things and can be found in archaea, bacteria, fungi, plants, and animals. Chitin, the second-most prevalent carbohydrate in nature after cellulose, is broken down by them.
- As a result, they are crucial for preserving a balance between the carbon and nitrogen that are locked in biomass as insoluble chitin. 18 and 19 glycoside hydrolases are the two families into which chitinases are divided.
- Many members of the family 18 of chitinases possess a second module, called the chitinase insertion domain, in addition to the catalytic domain, which is a triosephosphate isomerase barrel.
- The biological significance of the catalytic domain in chitinase activity is the subject of several investigations, although the role of the chitinase insertion domain is still poorly known.
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