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. 2018 Feb 28;8:3763. doi: 10.1038/s41598-018-21955-0

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Multimerization of A3H in HEK293T cells and RNA-dependent inhibition of A3H deaminase activity. (A) A3H formed enzymatically inactive high molecular weight (HMW) ribonucleoprotein complex. Cell lysates of HEK293T cells expressing A3H, untreated or treated with RNase A, were fractionated by SEC on Superdex 200 column and then analyzed by Western blot and deaminase activity assay. HMW complexes were observed, and essentially no obvious deaminase activity was detected. (B) After RNase A treatment, the HMW complexes of A3H were converted to enzymatically active low molecular weight (LMW) species. α-tubulin is an endogenous control.

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