Lipid domains in the crystalline lipovitellin/phosvitin complex: a phosphorus-31 and deuterium nuclear magnetic resonance study.
Lipid domains in the crystalline lipovitellin/phosvitin complex: a phosphorus-31 and deuterium nuclear magnetic resonance study.
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结晶卵黄蛋白/卵黄高磷蛋白复合物中的脂质域:磷 31 和氘核磁共振研究。
DOI:
10.1021/bi00539a024
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发表时间:
1982
期刊:
影响因子:
2.9
通讯作者:
Seelig,J
中科院分区:
文献类型:
--
作者:
Banaszak,LJ;Seelig,J
Leonard J. Banaszak** and Joachim Seelig abstract: The crystalline lipovitellin/phosvitin complex has a molecular weight of 456000 and contains nearly 100 mol-ecules of bound phospholipid. Earlier work using electron microscopy and three-dimensional image reconstruction methods established the symmetricaldimeric nature of this lipoprotein, but the organization of the lipid was unknown. Under conditions where the lipoprotein is in solution, the high-resolution 31P nuclear magnetic resonance(NMR) spectra contain two well-resolved peaks which can be assigned to phosphoserine moieties in both lipovitellin and phosvitin and to the phospholipid microdomains. The spin-lattice relaxation times, rh for the phosphoserines and the phospholipid head groups are distinctly different, with the serine phosphates having faster reorientation rates. 31P NMR spectra of crys-talline lipoprotein contain a broad symmetric component with
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