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. 2017 Oct 3;45(20):12005–12014. doi: 10.1093/nar/gkx872

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© The Author(s) 2017. Published by Oxford University Press on behalf of Nucleic Acids Research.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 5. — The insertion blocks G₀ from stacking with A₊₃. (A) Superposition of the crystal structure of APUM23^85-655-GGAAUUGACGG (gray, with the insertion in cyan) and APUM23^Delete-GGAAUUGACGG (in magenta). (B) The 2Fo-Fc electron density map around G₀ to G₊₁₀ in the crystal structure of APUM23^Delete-GGAAUUGACGG, contoured at 1.0 sigma. (C) G₀ bends to stack against A₊₃. The steric clash is highlighted by the red oval.