?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Nugent%2C+T&rft.aufirst=T&rft.aulast=Nugent&rft.date=19+March+2010&rft.atitle=Predicting+Transmembrane+Helix+Packing+Arrangements+using+Residue+Contacts+and+a+Force-Directed+Algorithm&rft.volume=6&rft.title=PLoS+Computational+Biology&rft.issn=1553-734X&rft.pages=-&rft.issue=3&rft.genre=article