Biology – Proteins | e-Consult
Proteins (1 questions)
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| Bond Type | Atoms Involved | Relative Strength | Role in Protein Stability |
| Hydrogen Bond | Carbonyl oxygen and amide hydrogen | Weak | Stabilizes secondary structures (alpha-helices and beta-sheets) and contributes to tertiary and quaternary structure. |
| Ionic Bond (Salt Bridge) | Oppositely charged side chains | Moderate | Provides strong electrostatic interactions, contributing to protein stability and resistance to denaturation. |
| Hydrophobic Interactions | Nonpolar side chains | Weak | Driving force for protein folding; nonpolar residues cluster in the interior, minimizing contact with water. |
| Disulfide Bond | Sulfur atoms of two cysteine residues | Strong | Provides covalent stability to the tertiary and quaternary structure; resistant to denaturation. |