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amid [387]
1 year ago
5

a transmembrane segment of a membrane protein is all made up of alpha helix and contains 22 amino acids. what is the thickness o

f the membrane? if the transmembrane segment was made up of beta strand then how many amino acids in that beta strand will be needed to travel through the thickness of the membrane?
Biology
1 answer:
gregori [183]1 year ago
6 0

Nine amino acids are needed to travel through the thickness of the membrane.

Alpha-axial helix's distance between amino acids is 1.5. A

The number of gaps between the 22 amino acids in the helix is equal to (22-1) = 21.

Therefore, the helix's length is (21 X 1.5) = 31.5.

One alpha helix is sufficient to span the membrane's breadth, hence the formula is: span of the helix = thickness of the membrane = 31.5 A

The thickness of the membrane is determined by the formula above to be 31.5 AA.

In the beta-strand, there is 3.5 AA between each amino acid.

Therefore, (31.5/3.5) = 9 amino acids are needed.

Learn more about  amino acids at

brainly.com/question/28586331?referrer=searchResults

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