The picture below shows a four-stranded b-sheet, with
the strands labeled “A” through “D”. (Note that the R-groups
have been removed.) Carbons are black; nitrogens are blue; and
oxygens are red.
A. In the box next to Strand “B”, draw an arrow showing the N-to-C
direction of the polypeptide chain.
B. What pair(s) of neighboring strands are anti-parallel?
C. What pair(s) of neighboring strands are parallel?
D. How many residues are in Strand “B”?
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The picture below shows a four-stranded b-sheet, with the strands labeled “A” through “D”. (Note that...
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