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. 2021 Apr 30;12:618844. doi: 10.3389/fphar.2021.618844

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Copyright © 2021 Ye, Wu, Zhang, Lan, Yang, Zhu, Yang, Gong and Zhong.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Heatmap of organ expression of 20 targets. The x-axis indicates the organ name. The y-axis indicates the target name; from left to right, liver, heart, kidney, lung, small intestine, and whole brain. (B-E) Binding studies of selected compound–target interactions. (B) Songoramine with MAPK14. (C) Songoramine with MMP9. (D) Ignavine with MAPK14. (E) Ignavine with MMP9. Molecules are represented by a ball-and-stick model. Hydrogen bonds are represented by a dotted line, and numbers indicate hydrogen-bond distances in angstroms. Atoms C, O and N are green, red and blue, respectively.