zkatsim@nimr.mrc.ac.uk wrote: > I'm having problems changing the rand_seed in my script files. The > changes I make don't have any effect, and I end up with the same > models. I've tried setting it in various positions within the script > but to no success. I've also looked through the previous posts on > this topic, but they all refer to previous modeller versions that use > the SET command to do this. Can someone tell me exactly where/how to > insert the change rand_seed = 'my own number' line?

There is only one place where you can change the random seed, and that is in the environ() constructor. See http://salilab.org/modeller/manual/node74.html for documentation, and http://salilab.org/modeller/manual/node142.html for an example.

Ben Webb, Modeller Caretaker