On 04/22/2014 04:32 AM, Julian wrote:

I would like to know how you model helices with a gap or insertion (pi
or 310 helices). I noticed that if the gap / insertion is in the middle
of the helix, Modeller arranges it quite nicely with the alpha restraint.
But how can I solve this problem if the gap / insertion is at the very
end of the helix?

Modeller will do the best it can in this case, but the only information it has to use here is the CHARMM forcefield, so most likely you will get an unstructured region.

        Ben Webb, Modeller Caretaker
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