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. 2018 Oct 24;46(22):11990–12007. doi: 10.1093/nar/gky976

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© The Author(s) 2018. 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 Non-Commercial 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 8. — Structural analyses of I-LtrI variants on the cognate ATAC and AACC substrates. (A). Stereo representation of positions 29 and 184 and DNA substrate of the AEGE-ATAC (yellow), AEGD-ATAC (cyan) and AEGD-AEGD protein–DNA complexes. Variants crystallized with the ATAC and AACC substrates. Dots represent metal ions and are color-coded according to the protein–DNA complex. (B). Stereo representation of showing changes in minor groove width in protein–DNA complexes with I-LtrI variants with substitutions in the non-metal binding residues positions (28 and 183).