Reply To: Barcode constraint file

[Anonymous]

> Hi,
> I am trying to define a barcode constraint file for a full atom refinement of a comparative model. Could the format for the SSPAIR be further explained?
>
> SSPAIR
>
> Does the weight go from 0.0 to 1.0? What cards/characters do I use to define parallel vs. antiparalled B-strands? It would be a perfect example if the following description was put in the proper format: an antiparallel B-strand between residues 4-8 in strand A and residues 16-20 in strand B. Also, can the same residues be used in two instances (to define a sheet)? Thank you very much.
>
> Reza
>

I think the weight can be any float but negative values give a bonus and positive values give a penalty.

You use ‘A’ for antiparallel and ‘P’ for parallel orientation.