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. 2014 Dec 13;7:175. doi: 10.1186/s13068-014-0175-x

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© Gao et al.; licensee BioMed Central Ltd. 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Carbohydrate binding module (CBM) binds strongly to lignin isolated from AFEX-CS. Here, percentage of protein fluorescence lost (% RFU Lost) due to GFP-CBM1 (filled blue diamonds) and GFP (empty blue diamonds) binding to lignin isolated from AFEX-CS is shown. For subtractive mass balance binding experiments, protein concentration was held constant at 0.2 μM and measured after 1 h of protein-lignin binding at 22°C. Error bars indicate standard deviations (±σ) for reported mean values and in some cases are smaller than the symbols. All assays were carried out in triplicate on two separate days.