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. 2012 Aug 31;40(20):10532–10542. doi: 10.1093/nar/gks718

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© The Author(s) 2012. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 4. — DNA–protein contacts. Top: Rotation and superposition of the two subunits of the complex show symmetrical interactions to the DNA (inset: interactions of amino acids R35, T36 and R46 with bases G₃ on one strand and G₁₃, T₁₄ and C₁₅ on the other; the water atom is omitted for clarity). Middle: Schematic representation of the hydrogen bonding contacts. Bottom: Overview of specific base contacts and contacts to the DNA phosphates (yellow and blue circles).