Infrared spectra of the Gramicidin A transmembrane channel: The single-stranded-β6-helix
✍ Scribed by D.W. Urry; R.G. Shaw; T.L. Trapane; K.U. Prasad
- Book ID
- 115757091
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 396 KB
- Volume
- 114
- Category
- Article
- ISSN
- 0006-291X
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## Abstract Conformational energy calculations are presented for the head‐to‐head dimerized β helices for Gramicidin A transmembrane channel structures. The calculations take into account both left‐ and right‐handed β helices, and various side‐chain conformations. The energetics of the dimerization
## Abstract The conductance of the gramicidin A single channels in glycerolmonooleate membranes is strongly reduced in the presence of Mn^2+^ cations. The nmr experiments were performed for N‐terminal to N‐terminal gramicidin A dimer formed by two right‐handed single‐stranded helixes incorporated i
The degrees of conformational freedom of poly GD P-helicd chain are analyzed consistent with the helical parameters of gramicidin A structure. From conformational energy calculations, " helical librations" that can be sustained by this structure are described and the energy of libration a s a functi