Alpha Helix: common secondary structure of proteins
: backbone N-H forms hydrogen bonds with backbone C=O 4 residues earlier
A small generic section of the primary structure of an alpha helix is given below
-amino acid 1-amino acid 2-amino acid 3-amino acid 4-amino acid 5-amino acid 6-amino acid 7-
a.) Which amino acid residue's backbone forms a hydrogen bond with the backbone of the seventh (7th) residue?
6, 1, 3, 2, 5, OR 7?
b.) Which of the following peptide segments is most likely to be part of a stable alpha helix at physiological pH?
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