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Question
The cofactor for the enzyme carboxypeptidase is
The cofactor for the enzyme carboxypeptidase is
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Solution
The correct option is C zinc
An enzyme consists of a protein part called apoenzyme and non-protein part called cofactor. The apoenzyme and cofactor together forms the holoenzyme.
There are three kinds of cofactors - prosthetic groups, coenzymes and metal ions.
The non-protein but organic part which is permanently attached to the enzyme is called the prosthetic group. Example: Haem in peroxidase.
The coenzymes are transient organic groups which are not attached to the apoenzyme permanently like the prosthetic group. Example: NADP.
Metal ions are the inorganic cofactors which form coordination bonds with side chains at the active site. Example: Zinc in carboxypeptidase.
An enzyme consists of a protein part called apoenzyme and non-protein part called cofactor. The apoenzyme and cofactor together forms the holoenzyme.
There are three kinds of cofactors - prosthetic groups, coenzymes and metal ions.
The non-protein but organic part which is permanently attached to the enzyme is called the prosthetic group. Example: Haem in peroxidase.
The coenzymes are transient organic groups which are not attached to the apoenzyme permanently like the prosthetic group. Example: NADP.
Metal ions are the inorganic cofactors which form coordination bonds with side chains at the active site. Example: Zinc in carboxypeptidase.
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