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. 2018 Oct 24;46(22):12166–12176. doi: 10.1093/nar/gky970

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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 License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 7. — Classification of classical DEDDh exonucleases. DEDDh exonucleases can be classified based on the in vitro activity assays (substrate preference) and the structural characteristic in binding to duplex DNA (the interaction to non-scissile strand of duplex DNA and the length requirement of double-stranded region). PARN, poly(A)-specific ribonuclease (43,45); ISG20, Interferon-stimulated gene 20-kDa protein (46); Exo I, Escherichia coli Exonuclease I (44,47); NP exonuclease, Lassa Virus NP Exonuclease (49,50); 3′hExo, human 3′-5′ exonuclease, also known as Eri-1 (18,51); Exo X, E. coli exonuclease X (22,39,52,53).