X-ray Structure of a self-compartmentalizing sulfur cycle metalloenzyme.

@article{Urich2006XraySO,
  title={X-ray Structure of a self-compartmentalizing sulfur cycle metalloenzyme.},
  author={Tim Urich and Claudio E. M. Gomes and Arnulf Kletzin and Carlos F Fraz{\~a}o},
  journal={Science},
  year={2006},
  volume={311 5763},
  pages={996-1000}
}
Numerous microorganisms oxidize sulfur for energy conservation and contribute to the global biogeochemical sulfur cycle. We have determined the 1.7 angstrom-resolution structure of the sulfur oxygenase reductase from the thermoacidophilic archaeon Acidianus ambivalens, which catalyzes an oxygen-dependent disproportionation of elemental sulfur. Twenty-four monomers form a large hollow sphere enclosing a positively charged nanocompartment. Apolar channels provide access for linear sulfur species… CONTINUE READING

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