Match the protein to the descriptions. The protein to consider here is collagen.

Question

Match the protein to the descriptions.

The protein to consider here is collagen.

There may be several possible answers. Select all that apply. No partial credit.

contains Glycine at every third residue

contains hydroxyproline

every second residue is Glycine

contains intrachain hydrogen bonds

contains left-handed helices

contains heptad repeats

contains interchain hydrogen bonds

contains Glycine at every third residue

contains hydroxyproline

every second residue is Glycine

contains intrachain hydrogen bonds

contains left-handed helices

contains heptad repeats

contains interchain hydrogen bonds

Explanation / Answer

Collagen is the maximum ample protein in the human body. It plays an important role body and present in the several connective tissues. It is a triple helical protein. The general repetitive amino acid sequence of a helix is:

Glycine-proline-X and glycine-X-hydroxyproline    

Where, X is any amino acid other than glycine, proline or hydroxyproline.

Thus, the several possible answers are:

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