harpreet singh wrote: > I have been working on project work related to homology modeling of a > protein. I am using modeller for my studies. I am enjoying working with > this very useful software and learning a lot from it. > Sir I am not clear of the option min_max_db_length(0, 40000) during > building a profile (from build_ profile.py) . > Sir kindly help me in clarifying that to what this option actually > refers to. > Whether it refers to the length of the database or length of sequence.

It is the sequence length; see http://salilab.org/modeller/manual/node209.html

Ben Webb, Modeller Caretaker