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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Dissimilatory nitrate reductase from Bradyrhizobium sp. (Lupinus): subcellular location, catalytic properties, and characterization of the active enzyme forms.

Subcellular location, chlorate specificity, and sensitivity to micromolar concentrations of azide suggest that most of the anaerobically induced nitrate reductase (NR) activity in Bradyrhizobium sp. (Lupinus) could be ascribed to the membrane type of bacterial dissimilatory NRs. Two active complexes of the enzyme, NR(I) of 140 kDa and NR(II) of 190 kDa, were detected in membranes of the nitrate-respiring USDA strain 3045. Both enzyme forms were purified to homogeneity. Obtained specific antibodies showed that these native species were immunologically closely related and composed of largely similar 126-kDa, 65-kDa, and 25-kDa subunits. The finding that NR(I) and NR(II) share common epitopes suggests that they may not be different species, but rather two forms of the same enzyme.[1]

References

  1. Dissimilatory nitrate reductase from Bradyrhizobium sp. (Lupinus): subcellular location, catalytic properties, and characterization of the active enzyme forms. Polcyn, W., Luciński, R. Curr. Microbiol. (2006) [Pubmed]
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