On Mon, 27 Mar 2006, Donald Ephraim Curtis wrote: > Tommi, i'm just curious why there is even a "max" distance included > anyways. That can be useful in molecular dynamics, where molecules often drift apart from each other ; assigning a max distance constraint will keep the molecules together (and make them collide). It can also be useful if you study a complex (say, a protein + ligand system) which easily breaks but you want to keep it intact. Tommi