Kreshna Gopal Erik McKee Tod D. Romo Reetal Pai Jacob Smith James C. Sacchettini Thomas R. Ioerger Crystallographic protein model-building on the web. 375-377 2007 23 Bioinformatics 3 http://dx.doi.org/10.1093/bioinformatics/btl584 db/journals/bioinformatics/bioinformatics23.html#GopalMRPSSI07