On 4/10/15 1:11 AM, Ming Tang wrote: > I want to build the collagen I microfibril structure. I have the tough > structure 3HR2 from PDB, which contains only the Carbon and rattus > norvegicus, and the amino acid sequences of bovine. I learnt from the > literature that homology modelling can be used to achieve this goal. > > I am totally new in Modeller. Where should I start? Is there any > examples for me to follow?

What you describe does not sound unusual. You should read through the tutorial on our website and at least the first part of the manual - there are many examples.

Ben Webb, Modeller Caretaker