Additional file 1 of A novel strategy for efficient disaccharides synthesis from glucose by β-glucosidase

Additional file 1: Fig. S1. The phylogenetic tree of TrCel1b and other GH1 family β-glucosidases. Fig. S2. The 3-D model of TrCel1b predicted by SWISS-MODEL (A) and I-TASSER (B) using β-glucosidase 6KHT as template. Fig. S3. Analysis of the disaccharides with HPLC. Fig. S4. The disaccharides synthesis of β-glucosidase and its variants under different concentrations of glucose. Fig. S5. SDS-PAGE analysis of purification of TrCel1b and its variants. Fig. S6. Effects of pH value on disaccharides synthesis. Fig. S7. The interaction profiles between TrCel1b (A), TrCel1bI177SI174SW173H (B) or TrCel1bN240I (C) and cellobiose analyzed by Discovery Studio 4.5, respectively. Table S1. The comparison of the production of laminaribiose and sophorose synthesized by β-glucosidase from different species. Table S2. Primers used in this study.