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Chemistry, 16.03.2020 16:46 meowmeowcow

Glycophorin A is a glycoprotein that extends across the red blood cell membrane. The portion of the polypeptide that extends across the membrane bilayer contains 19 amino acid residues and is folded in an helix. What is the width of the bilayer that could be spanned by this helix? The interior of the bilayer includes long acyl chains that are nonpolar. Which of the 20 L-amino acids would you expect to find among those in the portion of the polypeptide that traverses the bilayer?

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