I-D-E-L-Y-S-Q-V-C-S-H-L-D-T-V-R Circle the hydrophobic residues in the amino acid sequence above and box the hydrophobic residues.
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Q: what is the net charge on the peptide at PH=6? NH2-Glu-Lys-Leu-Ser-Cys-Arg-COOH
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A:
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Q: H3N- CH-C CH-CH3 CH2 CH3
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Q: I-D-E-L-Y-S-Q-V-C-S-H-L-D-T-V-R This amino acid sequence forms an alpha helix. What side would face…
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Q: H H H N, N, H H -NH2 NH H,N NH,
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Q: Translate the following amino acid sequence into one-letter code:…
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Q: H, =0 N-C-C H ČH3 ОН Figure 1. An amino acid HI
A:
I-D-E-L-Y-S-Q-V-C-S-H-L-D-T-V-R
Circle the hydrophobic residues in the amino acid sequence above and box the hydrophobic residues.
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- Which of the following levels of protein structure may be affected by hydrogen bonding? (a) primary and secondary (b) primary and tertiary (c) secondary, tertiary, and quaternary (d) primary, secondary, and tertiary (e) primary, secondary, tertiary, and quaternaryWhat two amino acid side chains are necessary for a disulfide bridge to form? A. -SH and -SH B. -S and -SH C. -S and -S D. -S-S and -OHWhich peptide has greater absorbance at 280 nm? Why? a) Gly-Ala-Trp-Lys-Glu-Tyr-Hisb) Ser-Val-Phe-Gly-Ala-Leu-Ilec) Gln-Leu-Glu-Phe-Thr-Leu-Tyr
- Amino Acid: Asn-Met-Ser-Ile-Phe-Arg-Cys-Tyr-Lys What is the one letter code of this amino acid and what is its classification? What is the side chain description (e.g. amide, aromatic etc.)Which of the following peptides will likely form an irregular structure? A-D-I-E-L-Y-F-H-I-C-V-D-E A-R-E-G-H-Y-D-G-C-Q-S-G A-R-E-V-H-Y-D-I-C-Q-S-F A-R-E-F-C-Y-D-I-C-Q-S-Pwhat is the net charge on the peptide at PH=6? NH2-Glu-Lys-Leu-Ser-Cys-Arg-COOH
- Amino sequence: Gln-Glu-Val-Leu-Ile-Arg-Leu-Phe-Lys-Gly-His-Pro-Glu-Thr-Leu-Glu-Lys-Phe-Asp-Lys-Phe-Lys-His-Leu-Lys-Ser-Glu-Asp-Glu-Met-Lys-Ala-Ser-Glu-Asp-Leu-Lys A) List the fragments generated with trypsin: B) List the fragments generated with chymotrypsin (5 pts) (assume reaction conditions are used to maximize cutting to the C-terminal size of only the 3 aromatic amino acids.)Identify the polar amino acids, the aromatic amino acids,and the sulfur-containing amino acids, given a peptide with thefollowing amino acid sequence:Val-Met-Ser-Ile-Phe-Arg-Cys-Tyr-LeuI-D-E-L-Y-S-Q-V-C-S-H-L-D-T-V-R This amino acid sequence forms an alpha helix. When thinking about how the helix folds into its tertiary strucutre, use entropy and enthalpy to explain what would happen energetically.
- Which of the following peptides will likely adopt an alpha helix? H-I-R-E-F A-D-L-E-E A-D-E-L-E C-V-D-E-FDraw a polypeptide chain with the following sequence of amino acids: M-A-N-A-N-D-G-E-N-EI-D-E-L-Y-S-Q-V-C-S-H-L-D-T-V-R This amino acid sequence forms an alpha helix. What side would face the solvent and what side would face the inside of the protein when thinking of the tertiary structure?
