In my biochemistry course, we are completing a project where we take the human insulin degrading enzyme (IDE) and make a mutation, propose what would happen upon said mutation, and determine methods for testing this in the lab. The

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Chamistry
In my biochemistry course, we are
completing a project where we take the
human insulin degrading enzyme (IDE) and
make a mutation, propose what would
happen upon said mutation, and determine
methods for testing this in the lab. The
mutation I chose is at the K571C residue,
lysine 571 in domain C. Since lysine is
positively charged at a neutral pH, I am
choosing to replace it with serine, which
has a neutral charge. Lysine 571 is also part
of a salt bridge between Aspartic Acid 426,
D426C. By replacing lysine with serine, I
hypothesize that the salt bridge will be
broken and will then increase the catalytic
activity of the enzyme.
Based off of this background, what would
be some useful methods that could be used
to test this in the lab?
Transcribed Image Text:In my biochemistry course, we are completing a project where we take the human insulin degrading enzyme (IDE) and make a mutation, propose what would happen upon said mutation, and determine methods for testing this in the lab. The mutation I chose is at the K571C residue, lysine 571 in domain C. Since lysine is positively charged at a neutral pH, I am choosing to replace it with serine, which has a neutral charge. Lysine 571 is also part of a salt bridge between Aspartic Acid 426, D426C. By replacing lysine with serine, I hypothesize that the salt bridge will be broken and will then increase the catalytic activity of the enzyme. Based off of this background, what would be some useful methods that could be used to test this in the lab?
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