hard · MCAT bio-biochem
An alpha-helix in a protein is primarily stabilized by hydrogen bonds between which components?
- The backbone carbonyl oxygen and the backbone amide nitrogen four residues away.
- Hydrophobic side chains that cluster together within the folded protein core.
- Covalent disulfide bridges formed between pairs of nearby cysteine residues.
- Ionic attractions, or salt bridges, between charged basic and acidic side chains.
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