Calculates Energies Associated with Accessible as well as Buried Surface Areas in Proteins P. Koehl, M. Delarue P. Koehl and M. Delarue, Proteins 20:264-278 (1994) protein:3d structure environ environ perl "environ < params" 0 param params accessibility_per_residue accessibility_per_atom free_energy pdbfile PDB file perl "$value\\n" 1 params pdbfile perl 1 accessibility_per_residue_file perl "accessibility_per_residue\\n" 2 params accessibility_per_atom_file perl "accessibility_per_atom\\n" 3 params free_energy__file perl "free_energy\\n" 4 params