||Force field derived from fitting to the Amber94 all-atom potential.
||Anisotropic Network Model uses a simplified spring force constant based on the pair-wise distance.
||parameter-free Anisotropic Network Model is variant from the ANM force field with interactions that fall off with the square of the distance.
||Realistic Extension Algorithm via Covariance Hessian is parameterized based on variance-covariance matrices obtained from MD simulations.
||This force field employs residue specific spring force constants and it has been parameterized through a statistical analysis of 1500 NMR ensembles.