22. Which one of these characteristics is FALSE for the α-helix in protein?
(A) There are 3.6 amino acids per turn.
(B) There is a requirement for glycine in every third amino acid residue.
(C) A H-bond forms between the carbonyl oxygen of the 611080a9dc412.jpg amino acid residue and the amido proton of the6110805f0a171.jpg amino acid residue.
(D) Proline is typically not found in the α-helix.
(E) A single turn of the helix extends about 5.4 Å along the long axis.

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統計: A(1), B(103), C(1), D(7), E(1) #2751497

詳解 (共 3 筆)

#5163836

Gly, Pro在a-helix中最少見 ,在 beta-turn中最常見

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#5002606
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#6036589
(B)There is a requir...
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