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Unformatted text preview: labeled I, II, III, and IV. Use your knowledge of amino acid nomenclature, structure, and chemistry to answer the following questions. Answer with the Roman numeral unless otherwise instructed. What is the single letter code of amino acid I? Which of these does not carry a neutral charge at pH 7? Which amino acid is classified as aromatic? Which is shown above as a D-amino acid? What is the three letter code of amino acid III? What is the isoelectric point (pI) of I? Which has a chiral center within its side group? Which amino acid contains the indole side group? Which cannot form hydrogen bonds through its side group? Which will elute last from (or bind most tightly to) an anion exchange column? Which has a polar uncharged side group? Between amino acid II and amino acid III, which would you most expect to see buried in the core of a globular protein?...
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- Spring '08