Jooyoung Lee Harold A. Scheraga Shelly Rackovsky New optimization method for conformational energy calculations on polypeptides: Conformational space annealing. 1222-1232 1997 18 Journal of Computational Chemistry 9 http://dx.doi.org/10.1002/(SICI)1096-987X(19970715)18:9<1222::AID-JCC10>3.0.CO;2-7 db/journals/jcc/jcc18.html#LeeSR97