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使用特异性和广泛氘化的脂质和 ¹³C-²H 旋转回波双共振固态 NMR 对肽和蛋白质进行残基特异性膜定位。

Residue-specific membrane location of peptides and proteins using specifically and extensively deuterated lipids and ¹³C-²H rotational-echo double-resonance solid-state NMR.

机构信息

Department of Chemistry, Michigan State University, 578 S. Shaw Lane, East Lansing, MI 48824, USA.

出版信息

J Biomol NMR. 2013 Jan;55(1):11-7. doi: 10.1007/s10858-012-9692-8. Epub 2012 Dec 8.

DOI:10.1007/s10858-012-9692-8
PMID:23225071
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3557618/
Abstract

Residue-specific location of peptides in the hydrophobic core of membranes was examined using (13)C-(2)H REDOR and samples in which the lipids were selectively deuterated. The transmembrane topology of the KALP peptide was validated with this approach with substantial dephasing observed for deuteration in the bilayer center and reduced or no dephasing for deuteration closer to the headgroups. Insertion of β sheet HIV and helical and β sheet influenza virus fusion peptides into the hydrophobic core of the membrane was validated in samples with extensively deuterated lipids.

摘要

使用 (13)C-(2)H REDOR 并对脂质进行选择性氘化的方法,研究了肽在膜疏水核心中的残基特异性定位。通过这种方法验证了 KALP 肽的跨膜拓扑结构,在双层中心的氘化观察到大量去相位,而靠近头部的氘化则减少或没有去相位。在脂质广泛氘化的样品中,验证了 HIV 的β 片层和螺旋及β 片层流感病毒融合肽插入膜疏水核心。

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Residue-specific membrane location of peptides and proteins using specifically and extensively deuterated lipids and ¹³C-²H rotational-echo double-resonance solid-state NMR.使用特异性和广泛氘化的脂质和 ¹³C-²H 旋转回波双共振固态 NMR 对肽和蛋白质进行残基特异性膜定位。
J Biomol NMR. 2013 Jan;55(1):11-7. doi: 10.1007/s10858-012-9692-8. Epub 2012 Dec 8.
2
Multiple locations of peptides in the hydrocarbon core of gel-phase membranes revealed by peptide (13)C to lipid (2)H rotational-echo double-resonance solid-state nuclear magnetic resonance.通过肽(¹³C)到脂质(²H)旋转回波双共振固态核磁共振揭示凝胶相膜烃核中肽的多个位置。
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本文引用的文献

1
Structure of the amantadine binding site of influenza M2 proton channels in lipid bilayers.流感 M2 质子通道在脂质双层中的金刚烷胺结合位点的结构。
Nature. 2010 Feb 4;463(7281):689-92. doi: 10.1038/nature08722.
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Synthetic fusion peptides of tick-borne encephalitis virus as models for membrane fusion.蜱传脑炎病毒的合成融合肽作为膜融合模型。
Biochemistry. 2010 Jan 19;49(2):287-96. doi: 10.1021/bi9017895.
3
A strong correlation between fusogenicity and membrane insertion depth of the HIV fusion peptide.HIV融合肽的融合活性与膜插入深度之间存在强相关性。
Proc Natl Acad Sci U S A. 2009 Sep 8;106(36):15314-9. doi: 10.1073/pnas.0907360106. Epub 2009 Aug 24.
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Structure and dynamics of membrane proteins by magic angle spinning solid-state NMR.通过魔角旋转固态核磁共振研究膜蛋白的结构与动力学
Annu Rev Biophys. 2009;38:385-403. doi: 10.1146/annurev.biophys.050708.133719.
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Structures and mechanisms of viral membrane fusion proteins: multiple variations on a common theme.病毒膜融合蛋白的结构与机制:同一主题的多种变体
Crit Rev Biochem Mol Biol. 2008 May-Jun;43(3):189-219. doi: 10.1080/10409230802058320.
6
Solid-state NMR spectroscopy of human immunodeficiency virus fusion peptides associated with host-cell-like membranes: 2D correlation spectra and distance measurements support a fully extended conformation and models for specific antiparallel strand registries.与宿主细胞样膜相关的人类免疫缺陷病毒融合肽的固态核磁共振光谱:二维相关光谱和距离测量支持完全伸展的构象以及特定反平行链排列的模型。
J Am Chem Soc. 2008 Apr 23;130(16):5459-71. doi: 10.1021/ja077302m. Epub 2008 Mar 28.
7
Membrane-bound conformation and topology of the antimicrobial peptide tachyplesin I by solid-state NMR.利用固态核磁共振技术研究抗菌肽鲎素I的膜结合构象和拓扑结构
Biochemistry. 2006 Nov 7;45(44):13323-30. doi: 10.1021/bi061424u.
8
Conformational flexibility and strand arrangements of the membrane-associated HIV fusion peptide trimer probed by solid-state NMR spectroscopy.通过固态核磁共振光谱法探测膜相关HIV融合肽三聚体的构象灵活性和链排列
Biochemistry. 2006 Oct 31;45(43):12960-75. doi: 10.1021/bi0615902.
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The HIV lipidome: a raft with an unusual composition.HIV脂质组:一个成分独特的脂筏。
Proc Natl Acad Sci U S A. 2006 Feb 21;103(8):2641-6. doi: 10.1073/pnas.0511136103. Epub 2006 Feb 15.
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Secondary structure and lipid contact of a peptide antibiotic in phospholipid bilayers by REDOR.利用旋转回波双共振技术研究肽抗生素在磷脂双分子层中的二级结构和脂质相互作用
Biophys J. 2004 Jul;87(1):662-74. doi: 10.1529/biophysj.103.032706.