I am trying to develop a model for a protein composed of multiple identical chains (a fibril actually). I know this might be a good job for the symmetry protocol, but I do not currently have enough data to define the protein's symmetry. All I have is a few constrains and some homology modeled regions. Is there a good protocol for this situation? Broker? Abinito? I am really unsure how to handle the multiple chain aspect, or if this can be handled. On a related note, if I have a multi chain system, how should I handle the fragment files?
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