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A 310-Helix in poly(α-aminoisobutyric acid)

✍ Scribed by B. R. Malcolm

Publisher
Wiley (John Wiley & Sons)
Year
1977
Tongue
English
Weight
146 KB
Volume
16
Category
Article
ISSN
0006-3525

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Electron diffraction photographs of poly (a-aminoisohutyric acid) treated with dichloracetic acid are shown to be consistent with space group R3c. This is strong evidence for a hexagonal cell in which right-and left-handed 3lo-helices form a honeycomb structure. It appears that the dichloracetic aci

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## Abstract A polarimetric electric‐field‐jump relaxation apparatus is described and used to determine the relaxation spectrum for the helix–coil transition of poly(α,L‐glutamic acid) in water at 24°C. A maximum relaxation time of 1.7 μc occurs at the transition midpoint (pH = 5.9) yielding a rate

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