Q: About the structure of a membrane associated peptide


(P-15) A 42-amino acids peptide related to the extracellular Alzheimer amyloid deposits has the last few residues immersed in the membrane bilayer. Based on your knowledge about membrane proteins, which of the following sequences most probably identifies the last five amino acids in this 42 residue peptide?


a)     Ala-Glu-Phe-Arg


b)     Val-Val-Ile-Ala


c)      Asp-Ser-Gly-Tyr


d)     Lys-Val-His-His-Gln


e)     Asp-Val-Gly-Ser




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