5 Questions
Which amino acid residue is small enough to fit within the central core of the collagen triple helix?
Glycine
Which amino acids confer rigidity to the collagen triple helix?
Proline and Hydroxyproline
Which amino acid is involved in H-bond formation that helps to stabilize the collagen triple helix?
Hydroxyproline
What is the repeating structure of collagen?
Gly-Pro-HyP/Hly
What is the site of attachment of carbohydrate moieties in collagen?
Hydroxylysine
Study Notes
Collagen Structure and Function
- Glycine is the only amino acid residue small enough to fit within the central core of the collagen triple helix.
- Proline and hydroxyproline confer rigidity to the collagen triple helix.
- Hydroxyproline is involved in H-bond formation that helps to stabilize the collagen triple helix.
- The repeating structure of collagen is Gly-X-Y, where X and Y are often proline or hydroxyproline.
- Hydroxylysine is the site of attachment of carbohydrate moieties in collagen.
Test your knowledge on the structural properties of collagen with this quiz! Learn about the unique characteristics of glycine, proline, and hydroxyproline residues and their role in forming the triple helix structure. Explore the repeating structure of collagen and understand how H-bond formation contributes to its stability.
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