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. 2017 Apr 21;15(4):123. doi: 10.3390/md15040123

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Confirmatory experiments using binding assays for molecules able to interact with Papain-like cysteine proteases in the selected extracts. Affinity chromatography profiles of extracts: F32 (A); and F42 (B) with a Papain-Sepharose resin. Arrows indicate the addition of elution buffer. (C) Sensorgrams from the biosensor-based assay for the interaction of extracts F20 and F42 with FP2. Reference extract F8 (positive) was included for comparison. (D) Matrix Assisted Laser Desorption/Ionization Time-Of-Flight (MALDI-TOF) mass spectra corresponding to the clarified extract F20 (top) and the elution fraction (bottom) after the incubation with Papain-Sepharose.