Variability of conformations at crystal contacts in BPTI represent true low-energy structures: correspondence among lattice packing and molecular dynamics structures.
Kossiakoff AA, Randal M, Guenot J, Eigenbrot C. Variability of conformations at crystal contacts in BPTI represent true low-energy structures: correspondence among lattice packing and molecular dynamics structures. Proteins. 1992 Sep; 14(1):65-74.