In this Letter, we omitted to cite ref. 1, which presents a cryo-electron-microscopic map of the Shigella flexneri needle at a resolution of 7 Å, significantly higher than for previous maps. Our Salmonella typhimurium needle model (2.1-Å backbone) fits very well into this high-resolution cryo-electron-microscopic map, and observed differences regarding the location of the amino terminus will be discussed in a future publication. In addition, we acknowledge Microsoft’s donation of Windows Azure computing resources and technical support to carry out the Rosetta calculations of the needle structure.
References
Fujii, T. et al. Structure of a type III secretion needle at 7-Å resolution provides insights into its assembly and signaling mechanisms. Proc. Natl Acad. Sci. USA 109, 4461–4466 (2012)
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The online version of the original article can be found at 10.1038/nature11079
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Loquet, A., Sgourakis, N., Gupta, R. et al. Correction: Corrigendum: Atomic model of the type III secretion system needle. Nature 488, 684 (2012). https://doi.org/10.1038/nature11350
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DOI: https://doi.org/10.1038/nature11350
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