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. 2018 Jun 21;46(13):6880–6892. doi: 10.1093/nar/gky528

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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 5. — DapF stimulation of RppH hydrolase activity. (A) W130A mutant of RppH is capable of hydrolyzing RNA with 5′ triphosphate termini, generating RNA with 5′ monophosphate termini (upper-left panel). Addition of DapF has only a small influence on the activity of the W130A mutant of RppH (lower-left panel). No increased hydrolase activity of RppH is detected in the presence of DapF mutants (F58R or V19K, right panel). (B) Measured activities are calculated by the increase in products and normalized to that of wild-type RppH. Columns represent the mean value of normalized activity from three independent measurements, and the error bars represent standard deviation.