SNX27 mediates PDZ-directed sorting from endosomes to the plasma membrane.

SNX27 mediates PDZ-directed sorting from endosomes to the plasma membrane.
复制标题

DOI:
10.1083/jcb.201004060
复制
发表时间:
2010-08-23
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
von Zastrow M
von Zastrow M
中科院分区:
其他
文献类型:
--
作者:
Lauffer BE;Melero C;Temkin P;Lei C;Hong W;Kortemme T;von Zastrow M

文献摘要

参考文献

被引文献

相似文献

G蛋白偶联受体依赖于SNX 27的PDZ结构域进行内体再循环。突触后密度95/光盘大/zonus occludens-1(PDZ)结构域相互作用的图案,除了他们在细胞表面的蛋白质支架的良好建立的作用,建议作为顺式作用的决定因素,指导跨膜货物从内体到质膜的分子分选。这一假设需要存在一种特定的反式作用PDZ蛋白,其介导内体膜中提出的分选操作。在这里,我们表明,分选连接蛋白27(SNX 27)是必需的有效PDZ-指导回收β2-肾上腺素受体(β2AR)从早期内涵体。SNX 27在内源性水平表达时介导这种分选功能,其回收活性需要PDZ结构域依赖性识别β2AR胞质尾区和Phox同源性(PX)结构域依赖性与内体膜结合。这些结果确定了SNX 27在生理上重要的信号受体的PDZ定向再循环中的独立作用,并扩展了再循环途径中货物特异性分子分选的概念。
G protein–coupled receptors rely on the PDZ domain of SNX27 for endosomal recycling. Postsynaptic density 95/discs large/zonus occludens-1 (PDZ) domain–interacting motifs, in addition to their well-established roles in protein scaffolding at the cell surface, are proposed to act as cis-acting determinants directing the molecular sorting of transmembrane cargo from endosomes to the plasma membrane. This hypothesis requires the existence of a specific trans-acting PDZ protein that mediates the proposed sorting operation in the endosome membrane. Here, we show that sorting nexin 27 (SNX27) is required for efficient PDZ-directed recycling of the β2-adrenoreceptor (β2AR) from early endosomes. SNX27 mediates this sorting function when expressed at endogenous levels, and its recycling activity requires both PDZ domain–dependent recognition of the β2AR cytoplasmic tail and Phox homology (PX) domain–dependent association with the endosome membrane. These results identify a discrete role of SNX27 in PDZ-directed recycling of a physiologically important signaling receptor, and extend the concept of cargo-specific molecular sorting in the recycling pathway.
Rab8 GTPase 选择性调节极化 Madin-Darby 犬肾细胞中 AP-1B 依赖性基底外侧转运。
DOI: 10.1083/jcb.200307046
发表时间: 2003-10-27
影响因子: 7.8
作者:
Ang, AL;Fölsch, H;Koivisto, UM;Pypaert, M;Mellman, I
通讯作者: Mellman, I
DOI: 10.1093/bioinformatics/15.4.305
发表时间: 1999-04-01
期刊: BIOINFORMATICS
影响因子: 5.8
作者:
Gouet, P;Courcelle, E;Métoz, F
通讯作者: Métoz, F
DOI: 10.1016/s0092-8674(00)81650-5
发表时间: 1999-10-15
期刊: CELL
影响因子: 64.5
作者:
Fölsch, H;Ohno, H;Mellman, I
通讯作者: Mellman, I
DOI: 10.1074/jbc.m107417200
发表时间: 2001-11-30
影响因子: 4.8
作者:
Gage, RM;Kim, KA;von Zastrow, M
通讯作者: von Zastrow, M
DOI: 10.2144/000112517
发表时间: 2007-07-01
期刊: BIOTECHNIQUES
影响因子: 2.7
作者:
Collins, Tony J.
通讯作者: Collins, Tony J.