The Structure of HasB Reveals a New Class of TonB Protein Fold

  title={The Structure of HasB Reveals a New Class of TonB Protein Fold},
  author={Gisele Cardoso de Amorim and Ada Prochnicka-Chalufour and Philippe Delepelaire and Julien Lef{\`e}vre and Catherine Simenel and C{\'e}cile Wandersman and Muriel Delepierre and Nadia Izadi-Pruneyre},
  booktitle={PloS one},
TonB is a key protein in active transport of essential nutrients like vitamin B12 and metal sources through the outer membrane transporters of Gram-negative bacteria. This inner membrane protein spans the periplasm, contacts the outer membrane receptor by its periplasmic domain and transduces energy from the cytoplasmic membrane pmf to the receptor allowing nutrient internalization. Whereas generally a single TonB protein allows the acquisition of several nutrients through their cognate… CONTINUE READING
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