Conformation of gramicidin A in phospholipid vesicles: circular dichroism studies of effects of ion binding, chemical modification, and lipid structure

Biochemistry ◽  
1981 ◽  
Vol 20 (20) ◽  
pp. 5754-5760 ◽  
Author(s):  
B. A. Wallace ◽  
W. R. Veatch ◽  
E. R. Blout
Keyword(s):  
Circular Dichroism ◽  
Chemical Modification ◽  
Gramicidin A ◽  
Phospholipid Vesicles ◽  
Ion Binding ◽  
Lipid Structure ◽  
Circular Dichroïsm

On the existence of an amphotericin B – sterol complex in lipid vesicles and in propanol–water systems

1987 ◽  
Vol 65 (3) ◽  
pp. 234-238 ◽  
Author(s):  
Ilona Gruda ◽  
Jacques Bolard
Keyword(s):  
Circular Dichroism ◽  
Amphotericin B ◽  
Lipid Bilayer ◽  
Binary Mixtures ◽  
Lipid Vesicles ◽  
Water Systems ◽  
Phospholipid Vesicles ◽  
Positive Cooperativity ◽  
Circular Dichroïsm

The amphotericin B (AmB) – ergosterol complex, formed by interaction of the antibiotic with ergosterol-containing phospholipid vesicles, is associated with the lipid bilayer. It has been shown by circular dichroism studies that the AmB–ergosterol complex formed in water–propanol binary mixtures has a similar structure to that observed in phospholipid vesicles. A positive cooperativity is found for the interaction of AmB with ergosterol. The similar AmB–cholesterol complex is much less stable and rearranges rapidly to a different conformation.

Structural properties of arrestin studied by chemical modification and circular dichroism

Biochemistry ◽  
1992 ◽  
Vol 31 (16) ◽  
pp. 3902-3906 ◽  
Author(s):  
Krzysztof Palczewski ◽  
Jeannine H. Riazance-Lawrence ◽  
W. Curtis Johnson
Keyword(s):  
Circular Dichroism ◽  
Chemical Modification ◽  
Structural Properties ◽  
Circular Dichroïsm
Sign in / Sign up

Export Citation Format

Share Document