UNRES: a united-residue force field for energy-based prediction of protein structure - orgin and significance of multibody terms. - Adam Liwo; Jaroslaw Pillardy; Cezary Czaplewski; Jooyoung Lee 002; Daniel R. Ripoll; Malgorzata Groth; Sylwia Rodziewicz-Motowidlo; Rajmund Kazmierkiewicz; Ryszard J. Wawak; Stanislaw Oldziej; Harold A. Scheraga (RECOMB, 2000)