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Critical chain length for helix formation in L-methionine oligopeptides

✍ Scribed by Jeffrey M. Becker; Fred Naider

Book ID: 101716165
Publisher: Wiley (John Wiley & Sons)
Year: 1974
Tongue: English
Weight: 200 KB
Volume: 13
Category: Article
ISSN: 0006-3525
DOI: 10.1002/bip.1974.360130907

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✦ Synopsis

Abstract

The circular dichroism of a series of L‐methionine oligopeptides [BOC‐(Met)~n~‐OMe] was examined in trifluoroethanol and hexafluoroacetone sesquihydrate. The results indicate that the trimer through the hexamer exists predominantly in disordered conformations in these solvents. An abrupt change in the CD pattern at the heptamer in trifluoroethanol suggests that L‐methionine oligopeptides begin forming helices at this chain length.

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