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Bonds Side Chains Protein Tertiary Structure Nonpolar End

Front Bonds in tertiary structure

Nonpolar side chains: ___ ___ (end up in clusters at the core of the protein) and van der Waals interactions

Polar side chains: hydrogen bonds

Positively and negatively charged side chains: ionic bonds

Covalent bonds called ___ ___ (-S-S-) may further reinforce the shape of a protein. They form where two cysteine monomers, which have sulfhydryl groups (-SH) on their side chains are brought close together by the folding of the protein.
Back hydrophobic interaction


disulfide bridges


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