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. 2008 Jun 30;24(17):1865–1873. doi: 10.1093/bioinformatics/btn334

Fig. 3.

Fig. 3.

Conceptual flowcharts showing the main processing steps in the SPF approach to protein–protein docking. In practice, the rotations for the ligand or for both the ligand and receptor are computed en masse in 3D or 5D FFT rotational grids, respectively.