Extra Slides for Lecture 2Twenty different amino acids are commonly found in proteins. Asp- Arg-Lys-Ile-MetPolar covalent bond Nonpolar covalent bond• Polar amino acid side chains tend to be displayed on the outside of the folded protein, where they can interact with water; the nonpolar amino acid side chains are buried on the inside Polar amino acid side chains tend to be displayed on ________of the folded protein, where they can interact with water; the nonpolar amino acid side chains are buried on the inside Hydrophobic forces• The folding of polypeptide chain typically creates a cavity on the folded protein’s surface, where specific amino acid side chains are brought
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