Which of the following is NOT an example of secondary structure found in proteins?

random coil

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hydrophobic folding

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-helix

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-pleated sheet

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Solution

The correct option is B random coil
option A must be the answer as Random coils are not part of the protein secondary structures and they have normal peptide sequence as in native protein, usually formed when denatured. The non polar or hydrophobic folding, alpha helices and beta pleated sheets stabilize the secondary structures of a protein.

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