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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >The specificity of SNARE-dependent fusion is encoded in the SNARE motif
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The specificity of SNARE-dependent fusion is encoded in the SNARE motif

机译:SNARE基序中编码了依赖SNARE的融合的特异性

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摘要

Soluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE) proteins constitute the core of the fusion machinery,and isolated SNAREs fuse membranes with exquisite specificity by cognate pairing. Most SNAREs have a membrane-spanning region, an N-terminal domain, and a membrane proximal SNARE motif domain. Although the SNARE motif is critical for SNARE complex formation, is it the sole determinant of the specificity of SNARE-dependent fusion? To test this, we make use of a SNARE complex functioning in the late endosomal compartment in yeast. Studying this complex and the previously identified early endosomal SNARE complex, we find that the specificity of fusion resides in the SNARE motifs. [References: 37]
机译:可溶性N-乙基马来酰亚胺敏感性因子附着蛋白受体(SNARE)蛋白构成融合机制的核心,分离出的SNARE通过同源配对以极高的特异性融合膜。大多数SNARE具有跨膜区域,N末端结构域和近膜SNARE基序结构域。尽管SNARE基序对于SNARE复合物的形成至关重要,但这是否是SNARE依赖融合特异性的唯一决定因素?为了测试这一点,我们利用了在酵母内体间隔区后期起作用的SNARE复合体。研究此复合物和先前确定的早期内体SNARE复合物,我们发现融合的特异性在于SNARE模体。 [参考:37]

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