1. Draw the peptide DCTEVKKR at a ph 7.4 in the trans configuration. 2. Consider the peptide...

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Biology

1. Draw the peptide DCTEVKKR at a ph 7.4 in the transconfiguration.
2. Consider the peptide from #1 for the questionsbelow.Â Â
Calculate the pI of the above peptide. (I recommend showing yourwork â€“ you can attach it on a separate sheet of paper or insertpictures).
3. Based on itâ€™s sequence of amino acids and the answer to (2)above, suggest a possible function for the peptide.
4.What interactions would contribute most to tertiary structure?Explain your choice.
5.If a neutral mutation occurred, what do you think the peptidemight be changed to? Explain your choice. (Multiple correct answersare possible).

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3.7 Ratings (489 Votes)

Ans 1 The NH2 group atNterminal and basic residue K R predominantly occurs asNH3 at pH 74 The COOH group of Cterminal and acidic residue E Dpredominantly occurs as COO bearing 10 unit negativecharge The side chain of remaining residues remains neutral2 Calculating the pH from See Answer

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