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- Draw the structure of the peptide: Val-His-Leu-Thr-Pro-Val-Glu-Lys-Ser-Ala-Val-Thr
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What is the significance of the peptide described?
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Solved in 2 steps
- Consider the peptides Ser-Glu-Gly-His-Ala and Gly-His-Ala-Glu-Ser. How do these two peptides differ?Consider the following peptide: Lys-His-Asp-Glu-Phe-Cys-Ala-Asp-His-Arg What is the net charge of this peptide at pH = 1? What is the net charge of this peptide at pH = 14?Drew the peptide sequence and write its full name Cys-Gln-Lys-His-Ala-Ser-Gln
- Draw Glu-His-Trp-Ser-Gly-Leu-Arg-Pro-Gly peptide. What is the net charge of this peptide at pH 3, 8 and 11? What can you say about pI value of this peptide?Is the peptide (written N-terminal to C-terminal) represented by Ala-Ser-Ala-Tyr the same as the peptide represented by Tyr-Ala--Ser-Ala? Explain.Draw a peptide for cys-asn- pro-gly (Using the same format in picture)
- What is the difference between the structures of the following two peptides: Name them. Gly-Glu-Asp-Tyr-Ala And Ala-Tyr-Asp-Glu-GlyWhat is the structure of the peptide P-A-I-G-E at a pH of 7 and 12? What is the isoelectric point?You have isolated the following peptide: His-Ser-Arg-Ala-Glu-Leu-Pro-Gly A) Calculate the approximate charge of this peptide at pH 1, pH 3, pH 5, pH8, pH 11, and pH 14. B) What is the PI of this peptide?