29. Amino Acids

Non-Polar Sidechains - Fill in the missing sidechains on the following target tripeptide.

Non-Polar Sidechains - Fill in the missing sidechains on the following target tripeptide.

Non-Polar Sidechains - Provide the complete structure of the tripeptide P-F-W

Polar Sidechains - Provide the Fischer Projection of Glutamine (Q)

Polar Sidechains - Provide the complete structure of the dipeptide Asn-Cys

Polar Sidechains - Fill in the missing sidechains on the following target oligopeptide.

Acidic/Basic Sidechains - Provide the Fischer Projection of Amino Acid (H)

Acidic/Basic Sidechains - Fill in the missing sidechains on the following target oligopeptide.

Acidic/Basic Sidechains - Provide the complete structure of the oligopeptide V-I-D-Y. Based on your knowledge of hydrophobicity, which side of the peptide is more likely bury itself within the protein?

Draw three-dimensional representations of the following amino acids.

(b) l-histidine

Draw three-dimensional representations of the following amino acids.

(c) d-serine

Draw three-dimensional representations of the following amino acids.

(d) l-tryptophan

The first amino acid in the pentapeptide of Figure 26.50, Pyr, is not one of the 20 amino acids in Table 26.1. Based on the following structure of Pyr, from which natural amino acid is it likely derived?

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