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Unformatted text preview: Provide your answer in the form of an equation, stating cofactors and drawing the input amino acid and its products. 3. (4 points) The first half of the mechanism for PLP-dependent enzyme-catalyzed transamination of amino acids is shown in the notes. Draw a mechanism for the second half of the reaction. Show structures of substrates, cofactors, intermediates and products, except the enzyme itself which can be designated “E”. Use arrows to indicate movement of electrons. 4. (2 points) A mouse ingests glycine labeled on the alpha carbon with 14 C. Which carbon(s) in newly synthesized serine can be labeled with 14 C soon after the glycine is ingested? Draw serine below and circle the potentially labeled carbon(s)....
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- Spring '08