2022年4月13日 · ExbB and ExbD are cytoplasmic membrane proteins that associate with TonB to convey the energy of the proton-motive force to outer membrane receptors in Gram-negative …

2019年10月4日 · The TonB–ExbB–ExbD molecular motor harnesses the proton motive force across the bacterial inner membrane to couple energy to transporters at the outer membrane, …

大肠杆菌中的exb基因座由两个基因组成，分别称为exbB和exbD。Exb功能与TonB功能相关，因为大多数与TonB相关的过程都由Exb增强。像tonB突变体一样，exb突变体对大肠菌素M和阿波 …

2019年2月5日 · TonB复合物由TonB、ExbB、ExbD构成，是革兰氏阴性菌对外界营养物质主动转运过程的能量提供单位，在革兰氏阴性菌分布广泛。 近年来，对TonB-ExbB-ExbD复合物的功 …

Energy is derived from the proton motif force (pmf) of the cytoplasmic membrane (CM) through the action of three proteins, namely, TonB, ExbB, and ExbD, which are located in the CM and …

2013年12月1日 · Uptake of ferric siderophores, vitamin B12, and other molecules in gram-negative bacteria is mediated by a multi-protein complex known as the TonB system. The …

TonB protein appears to couple the electrochemical potential of the cytoplasmic membrane to active transport across the essentially unenergized outer membrane of gram-negative …

2003年8月7日 · Based on molecular data for the MotA/MotB proteins, we propose simple three-dimensional channel structures for both MotA/MotB and ExbB/ExbD/TonB using modeling …

2014年5月6日 · We copurified ExbB with ExbD as an ∼240 kDa protein-detergent complex, measured by light scattering and by native gels. Quantitative Coomassie staining revealed a …

2010年10月12日 · Earlier studies showed that ExbB is the most abundant protein of the ExbB-ExbD-TonB complex and stabilizes TonB and ExbD. To advance understanding of the role of …