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. 2017 Feb 2;4:4. doi: 10.3389/fmolb.2017.00004

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Copyright © 2017 Di Matteo, Calvello, Luin, Marchetti and Cattaneo.

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) or licensor 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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proNGF-YBBR purification. (A) Chromatographic profile of FPLC analysis. Black line and blue line represents respectively the absorbance at 280 nm and the percentage of buffer B on the total flowing buffer. The numbers identifying the collected fractions are shown in red. (B) SDS-PAGE analysis of the collected fractions corresponding to the proNGF-YBBR peak. On the left side of the gel, molecular standard weights (kDa) are shown. Numbers of each lane correspond to the fraction analyzed. (C) MS analysis of the protein has revealed the presence of a unique species, corresponding to the full-length proNGF-YBBR.