Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12900-016-0068-2/MediaObjects/12900_2016_68_Fig4_HTML.gif)
Evolution of the radius of gyration for the β-Amylase upon X-ray exposure obtained from SAXS data. While there is no significant increase for low exposure time, R g increases once proteins are over-exposed: this is consistent with the AFM results presented in Fig. 3