You Have Just Sequenced a New Protein Found in Mice

question 131

Multiple Choice

You have just sequenced a new protein found in mice and observe that sulphur-containing cysteine residues occur at regular intervals.What is the significance of this finding?

• A)Cysteine residues are required for the formation of α-helices and β-pleated sheets.
• B)It will be important to include cysteine in the diet of the mice.
• C)Cysteine residues are involved in disulfide bridges that help form tertiary structure.
• D)Cysteine causes bends, or angles to occur in the tertiary structure of proteins.
• E)This protein is likely to be less stable than other proteins to denaturation.

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