TatBC, TatB, and TatC form structurally autonomous units within the twin arginine protein transport system of Escherichia coli.

TatBC, TatB, and TatC form structurally autonomous units within the twin arginine protein transport system of Escherichia coli.
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DOI:
10.1016/j.febslet.2007.07.044
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发表时间:
2007-08-21
期刊:
影响因子:
3.5
通讯作者:
Berks, Ben C.
Berks, Ben C.
中科院分区:
生物学3区
文献类型:
--
作者:
Orriss, George L.;Tarry, Michael J.;Ize, Berengere;Sargent, Frank;Lea, Susan M.;Palmer, Tracy;Berks, Ben C.

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达特(twin arginine translocation)系统运输折叠蛋白质穿过细菌和类囊体膜。整合膜蛋白TatA、TatB和TatC是大肠杆菌中达特途径的基本组分。我们证明了TatB和TatC之间形成稳定的复合物不需要TatA或其他达特组分。我们表明,TatB和TatC蛋白都能够形成稳定的,明确的,同源多聚体复合物。这些我们建议对应于结构子复合物内的父母TatBC复杂。我们推断,TatC形成一个核心的TatBC复杂的TatB组装。
The Tat (twin arginine translocation) system transports folded proteins across bacterial and thylakoid membranes. The integral membrane proteins TatA, TatB, and TatC are the essential components of the Tat pathway in Escherichia coli. We demonstrate that formation of a stable complex between TatB and TatC does not require TatA or other Tat components. We show that the TatB and TatC proteins are each able to a form stable, defined, homomultimeric complexes. These we suggest correspond to structural subcomplexes within the parental TatBC complex. We infer that TatC forms a core to the TatBC complex on to which TatB assembles.
DOI: 10.1016/s0014-5793(01)02904-0
发表时间: 2001-10-05
期刊: FEBS LETTERS
影响因子: 3.5
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