Vibrational circular dichroism of gramicidin D in vesicles and micelles | Zendy

Zhao Chunxia | Zendy; Polavarapu Prasad L. | Zendy

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Vibrational circular dichroism of gramicidin D in vesicles and micelles

Author(s) -

Zhao Chunxia,

Polavarapu Prasad L.

Publication year - 2001

Publication title -

biopolymers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.556

H-Index - 125

eISSN - 1097-0282

pISSN - 0006-3525

DOI - 10.1002/bip.10004

Subject(s) - chemistry , vesicle , gramicidin , circular dichroism , sodium dodecyl sulfate , micelle , crystallography , membrane , vibrational circular dichroism , absorption (acoustics) , absorption spectroscopy , magnetic circular dichroism , analytical chemistry (journal) , spectral line , chromatography , organic chemistry , aqueous solution , biochemistry , physics , quantum mechanics , acoustics , astronomy

The vibrational circular dichroism (VCD) and absorption spectra of gramicidin D in three model membranes (dioctadecyldimethylammonium chloride vesicles, dimyristoyl‐phosphatidylcholine vesicles, and sodium dodecyl sulfate micelles) are presented. The absorption and VCD spectra suggest that the stable gramicidin D conformation in the model membranes is different from those in organic solvents. The presence of cations does not change the membrane‐bound conformation of gramicidin D. © 2001 John Wiley & Sons, Inc. Biopolymers (Biospectroscopy) 62: 336–340, 2001

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