17 ffG43a1 GROMOS96 43a1 force field ffG43b1 GROMOS96 43b1 vacuum force field ffG43a2 GROMOS96 43a2 force field (improved alkane dihedrals) ffG45a3 GROMOS96 45a3 force field (Schuler JCC 2001 22 1205) ffG53a5 GROMOS96 53a5 force field (JCC 2004 vol 25 pag 1656) ffG53a6 GROMOS96 53a6 force field (JCC 2004 vol 25 pag 1656) ffoplsaa OPLS-AA/L all-atom force field (2001 aminoacid dihedrals) ffencadv Encad all-atom force field, using scaled-down vacuum charges ffencads Encad all-atom force field, using full solvent charges ffamber94 AMBER94 Cornell et al. (1995), JACS 117, 5179-5197 ffamber96 AMBER96 Kollman (1996), Acc. Chem. Res. 29, 461-469 ffamber99 AMBER99 Wang et al. (2000), J. Comp. Chem. 21, 1049-1074 ffamber99p AMBER99p Sorin & Pande (2005). Biophys. J. 88(4), 2472-2493 ffamber99SB AMBER99sb Hornak et. al (2006). Proteins 65, 712-725 ffamber99GS AMBER99GS Garcia & Sanbonmatsu (2002), PNAS 99, 2782-2787 ffamber99GSs AMBER99GSs Nymeyer & Garcia (2003) PNAS 100, 13934-13939 ffamber03 AMBER03 Duan et al. (2003), J. Comp. Chem. 24, 1999-2012