ABCトランスポータ・CFTRチャネルにおけるNBDエンジンの動作メカニズム

  • 相馬 義郎
    慶應義塾大学医学部薬理学教室 John M. Dalton Cardiovascular Research Center, University of Missouri-Columbia
  • HWANG Tzyh-Chang
    Department of Medical Pharmacology and Physiology, School of Medicine, John M Dalton Cardiovascular Research Center, University of Missouri-Columbia

書誌事項

タイトル別名
  • Mechanism of "NBD engine" in an ABC transporter, CFTR channel
  • ABC トランスポータ CFTR チャネル ニ オケル NBD エンジン ノ ドウサ メカニズム

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抄録

The cystic fibrosis transmembrane conductance regulator (CFTR), a member of the ATP-binding cassette (ABC) transporter superfamily, is an anion channel which plays an important fundamental role in fluid and electrolyte transport across epithelial tissues. In the most of ABC transporters, two highly-conserved nucleotide-binding domains (NBDs) form a common engine that utilizes the energy of ATP hydrolysis to active-transport a wide spectrum of substrates. In CFTR, the ATP-dependent “NBD engine” drives the gate of the ion conducting pore by cycles of ATP binding and hydrolysis. In this review, we introduce the recent advances in the studies for the molecular mechanism of ATP-dependent NBD engine in CFTR channels.<br>

収録刊行物

  • 生物物理

    生物物理 50 (5), 228-231, 2010

    一般社団法人 日本生物物理学会

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