How Might a Change of One Amino Acid at a Site

question 18

Multiple Choice

How might a change of one amino acid at a site, distant from the active site of an enzyme, alter an enzyme's substrate specificity?

• A) by changing the enzyme's pH optimum
• B) by changing the enzyme's binding of allosteric regulator
• C) by changing the enzyme's location in the cell
• D) by changing the shape of an enzyme
• E) An amino acid change away from the active site cannot alter the enzyme's substrate specificity.

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