VnfY is required for full activity of the vanadium-containing dinitrogenase in Azotobacter vinelandii.

@article{RttimannJohnson2003VnfYIR,
  title={VnfY is required for full activity of the vanadium-containing dinitrogenase in Azotobacter vinelandii.},
  author={Carmen R{\"u}ttimann-Johnson and Luis M Rubio and Dennis R Dean and Paul W. Ludden},
  journal={Journal of bacteriology},
  year={2003},
  volume={185 7},
  pages={2383-6}
}
A gene from Azotobacter vinelandii whose product exhibits primary sequence similarity to the NifY, NafY, NifX, and VnfX family of proteins, and which is required for effective V-dependent diazotrophic growth, was identified. Because this gene is located downstream from vnfK in an arrangement similar to the relative organization of the nifK and nifY genes, it was designated vnfY. A mutant strain having an insertion mutation in vnfY has 10-fold less vnf dinitrogenase activity and exhibits a… CONTINUE READING
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Biosynthesis of the iron - molybdenum and iron - vanadium cofactors of the nif - and vnf - encoded nitrogenases

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