Deuterium NMR investigation of an amphotericin B derivative in mechanically aligned lipid bilayers.
Deuterium NMR investigation of an amphotericin B derivative in mechanically aligned lipid bilayers.
复制标题
对机械排列的脂质双层中的两性霉素 B 衍生物进行氘核磁共振研究。
DOI:
10.1016/s0005-2736(99)00223-0
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发表时间:
2000
期刊:
影响因子:
--
通讯作者:
Kobayashi,GS
中科院分区:
文献类型:
--
作者:
Hing,AW;Schaefer,J;Kobayashi,GS
The methyl-d3amide derivative of the polyene antibiotic amphotericin B was synthesized, assayed for biological activity, incorporated into mechanically aligned bilayers of dipalmitoylphosphatidylcholine (DPPC), and examined by deuterium and phosphorus NMR. The amide derivative has a lesser, but qualitatively similar, biological activity relative to amphotericin B. Incorporation of the amide derivative and ergosterol into aligned DPPC bilayers resulted in a single, stable bilayer phase, as shown by phosphorus NMR of the DPPC headgroups. Deuterium NMR spectra revealed one major2H quadrupolar splitting and one major2H–1H dipolar splitting in the liquid-crystalline phase, consistent with a high degree of alignment and a single, averaged physical state for amphotericin B methyl-d3amide in the bilayer. Variations of the quadrupolar and dipolar splittings as a function of macroscopic sample orientation and temperature indicated that the amide derivative undergoes fast rotation about a motional axis that is parallel to the bilayer normal.
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影响因子:
2.9
作者:
Haynes,MP;Chong,PL;Buckley,HR;Pieringer,RA
通讯作者:
Pieringer,RA
DOI:
10.7164/antibiotics.43.907
发表时间:
1990
期刊:
The Journal of antibiotics
影响因子:
--
作者:
Jolanta Grzybowska;Edward Borowski
通讯作者:
Edward Borowski
DOI:
10.7164/antibiotics.25.256
发表时间:
1972
期刊:
The Journal of Antibiotics
影响因子:
--
作者:
W. Mechlinski;C. Schaffner
通讯作者:
C. Schaffner
DOI:
10.1016/0005-2736(74)90189-8
发表时间:
1974
期刊:
Biochimica et Biophysica Acta
影响因子:
--
作者:
N. Ockman
通讯作者:
N. Ockman
DOI:
10.7164/antibiotics.43.680
发表时间:
1990
期刊:
The Journal of antibiotics
影响因子:
--
作者:
Andrzej Czerwinski;T. Zieniawa;Edward Borowski;L. Micossi
通讯作者:
L. Micossi