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4 Levels of Protein Structure

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Terms in this set (6)

  • What is the primary structure of a protein?

    The amino acid sequence of a protein chain.

  • What characterizes the secondary structure of a protein?

    Repetitions in structure due to hydrogen bonds between nearby amino acids, forming shapes like alpha helices and beta-pleated sheets.

  • What causes protein denaturation?

    Disruption of hydrogen bonds that alters the protein's shape and function.

  • What is the tertiary structure of a protein?

    The 3D shape of a protein formed by interactions between distant R groups of amino acids.

  • What defines the quaternary structure of a protein?

    The arrangement of multiple polypeptide chains into a functional protein complex.

  • How do proteins fold specifically?

    Protein folding is aided by chaperone proteins that help the protein achieve its correct shape.