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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Tripartite ATP-independent periplasmic transporter ： ウィキペディア英語版 Tripartite ATP-independent periplasmic transporter Tripartite ATP-independent periplasmic transporters (TRAP transporters) are a large family of solute transporters found in bacteria and archaea, but not in eukaryotes, that appear to be specific for the uptake of organic acids. They are unique in that they utilize a substrate binding protein (SBP) in combination with a secondary transporter. ==History== TRAP transporters were discovered in the laboratory of Prof. David J. Kelly at the University of Sheffield, UK. His group were working on the mechanism used by the photosynthetic bacterium ''Rhodobacter capsulatus'' to take up certain dicarboxylic acids. They characterised a binding protein component (DctP) of a transporter that recognized these compounds, which they assumed would form part of a typical ABC transporter, but when they sequenced the genes surrounding ''dctP'' they found two other genes encoding integral membrane proteins, ''dctQ'' and ''dctM'', but no genes encoding components of an ABC transporter. They further showed that uptake of the same dicarboxylates was independent of ATP and that uptake required an electrochemical ion gradient, making this a unique binding protein-dependent secondary transporter.〔 Since these early studies, it has become clear that TRAP transporters are present in many bacteria and archaea, with many bacterial having multiple TRAP transporters, some having over 20 different systems. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tripartite ATP-independent periplasmic transporter」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.