http://boinc.bakerlab.org/rosetta/ is a scientific research project that uses internet-connected computers to predict and design protein structures, and protein-protein and protein-ligand interactions......an endeavor that may ultimately help researchers develop cures for human diseases (See the Human Proteome Folding Project, a collaborative effort to apply our software on the human genome)
visit them and help by allowing cpu time on your pc to be used for modeling.