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. 2015 Dec 14;16:386. doi: 10.1186/s12891-015-0842-5

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© Ludwig et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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 Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Characterization of PRG4 and reduced and alkylated (R/A) PRG4. Protein stain on 3-8 % Tris-Acetate SDS-PAGE stained with SimplyBlue SafeStain (a) and immunoreactivity with anti-PRG4 antibody 5C11 (b). ** and * indicate high MW multimeric species and monomeric PRG4 species, respectively, with the former being present in the non-reduced samples and absent from the R/A PRG4