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Vibrational CD of the amide II band in some model polypeptides and proteins

✍ Scribed by Vijai P. Gupta; Timothy A. Keiderling

Publisher
Wiley (John Wiley & Sons)
Year
1992
Tongue
English
Weight
834 KB
Volume
32
Category
Article
ISSN
0006-3525

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## Abstract The α~II~‐helix (ϕ = −70.47°, ψ = −35.75°) is a structure having the same __n__ and __h__ as the (standard) α~I~‐helix (ϕ = −57.37°, ψ = −47.49°). Its conformational angles are commonly found in proteins. Using an improved α‐helix force field, we have compared the vibrational frequencie