PQQ-dependent methanol dehydrogenases: rare-earth elements make a difference

  title={PQQ-dependent methanol dehydrogenases: rare-earth elements make a difference},
  author={J. T. M. Keltjens and A. N. van den Pol and Joachim Reimann and Huub J. M. Op den Camp},
  journal={Applied Microbiology and Biotechnology},
Methanol dehydrogenase (MDH) catalyzes the first step in methanol use by methylotrophic bacteria and the second step in methane conversion by methanotrophs. Gram-negative bacteria possess an MDH with pyrroloquinoline quinone (PQQ) as its catalytic center. This MDH belongs to the broad class of eight-bladed β propeller quinoproteins, which comprise a range of other alcohol and aldehyde dehydrogenases. A well-investigated MDH is the heterotetrameric MxaFI-MDH, which is composed of two large… CONTINUE READING
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