Adaptation to a high-tungsten environment: Pyrobaculum aerophilum contains an active tungsten nitrate reductase.

@article{Vries2010AdaptationTA,
  title={Adaptation to a high-tungsten environment: Pyrobaculum aerophilum contains an active tungsten nitrate reductase.},
  author={Simon de Vries and Milica Momcilovic and Marc J F Strampraad and Julian P Whitelegge and Ashkan Baghai and Imke Schr{\"o}der},
  journal={Biochemistry},
  year={2010},
  volume={49 45},
  pages={9911-21}
}
Nitrate reductases (Nars) belong to the DMSO reductase family of molybdoenzymes. The hyperthermophilic denitrifying archaeon Pyrobaculum aerophilum exhibits nitrate reductase (Nar) activity even at WO(4)(2-) concentrations that are inhibitory to bacterial Nars. In this report, we establish that the enzyme purified from cells grown with 4.5 μM WO(4)(2-) contains W as the metal cofactor but is otherwise identical to the Mo-Nar previously purified from P. aerophilum grown at low WO(4)(2… CONTINUE READING
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