Figure 1
![Figure 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1472-6807-13-18/MediaObjects/12900_2013_Article_446_Fig1_HTML.jpg)
Carbohydrates accommodated in the tmCBP binding site. Previous molecular modeling studies of tmCBP identified that in addition to β(1,4) glucosaccharides (cyan), β(1,3) (blue) and mixed β(1,3)/β(1,4) (magenta) could be accommodated in the water-filled (red spheres) non-specific ligand binding subsite. Adapted from [13].