Membrane fusion induced by the major lipid-binding domain of the cytoskeletal protein talin.
Membrane fusion induced by the major lipid-binding domain of the cytoskeletal protein talin.
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由细胞骨架蛋白talin的主要脂质结合域诱导的膜融合。
DOI:
10.1016/s0006-291x(02)00714-3
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发表时间:
2002
影响因子:
3.1
通讯作者:
W. H. Goldmann
中科院分区:
文献类型:
--
作者:
G. Isenberg;S. Doerhoefer;D. Hoekstra;W. H. Goldmann
Secondary structure predictions have led to the identification of a major membrane-anchoring domain of the cytoskeletal protein talin spanning from amino acid 385 to 406. Using a synthetically derived peptide of this region, researchers have shown that it inserts into POPC/POPG phospholipid membranes with a partition coefficient of Kapp=1.1±0.2×105M−1and has an average molar reaction enthalpy of ΔH=−2.5kcal/mol, as determined by monolayer expansion technique and isothermic titration calorimetry [J. Biol. Chem. 275, 17954]. We applied resonance energy transfer (RET) assays to analyze the fusogenic properties of this peptide by lipid mixing and used liposomes containing carboxyfluorescein to measure the contents leakage. We directly visualized talin peptide-induced vesicle membrane fusion using cryo-electron microscopy. This is the first example of a cytoskeletal protein domain that can trigger membrane fusion that might be of importance for understanding membrane targeting and motile events at the leading edge of the cell.
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影响因子:
2.9
作者:
STRUCK, DK;HOEKSTRA, D;PAGANO, RE
通讯作者:
PAGANO, RE
影响因子:
4
作者:
Bretscher,A;Reczek,D;Berryman,M
通讯作者:
Berryman,M
影响因子:
4
作者:
Hemmings,L;Rees,DJ;Ohanian,V;Bolton,SJ;Gilmore,AP;Patel,B;Priddle,H;Trevithick,JE;Hynes,RO;Critchley,DR
通讯作者:
Critchley,DR
影响因子:
2.9
作者:
MCINTYRE, JC;SLEIGHT, RG
通讯作者:
SLEIGHT, RG
影响因子:
3.4
作者:
Abraham, VC;Krishnamurthi, V;Lanni, F
通讯作者:
Lanni, F