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BIO NMDCAT Proteins
nmdcat.online June 29, 2026

The coiled-coil structure of α-keratin is stabilized mainly by

A. Peptide bonds
B. Hydrogen bonds with water
C. Hydrophobic interactions between helices
✓
D. Glycosidic bonds

📝 Explanation

Hydrophobic residues at heptad repeat positions interlock to stabilize the coiled-coil.

📖 Additional Information

  • Peptide bonds
  • Hydrogen bonds with water
  • Hydrophobic interactions between helices
  • Glycosidic bonds

Hydrophobic residues at heptad repeat positions interlock to stabilize the coiled-coil.

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