scoring of the full loop-models
Hello,
In the loop refinement process, is the DOPE score reported only for the refined region or full protein model? If only for the refined region, is there any 'python code', which could be clubbed with loop refinement script to report the DOPE scores of the complete protein models as well?
*---*Thanks & Warm Regards*---*
Malkeet S. Bahia, PhD Post Doctoral Fellow at the lab of Prof. Hanoch Senderowitz PBC Indo-Israel Post-doc fellowship Dept. of Chemistry, Building 211, Room no. 211 Bar Ilan University, Ramat Gan, 5290002, ISRAEL
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On 4/16/19 4:28 AM, malkeet singh Bahia wrote: > In the loop refinement process, is the DOPE score reported only for the > refined region or full protein model?
Neither. It is the score for the refined region interacting with the entire model. DOPE is a pairwise atomistic score, so it is evaluated for all nearby pairs of atoms where at least one atom is in the refined region.
> If only for the refined region, is > there any 'python code', which could be clubbed with loop refinement > script to report the DOPE scores of the complete protein models as well?
This shouldn't be necessary, since DOPE scores are only reliable for ranking, and since the non-refined parts of the system don't move, the contributions to the score from the non-refined-non-refined atom pairs should be constant, so the rankings won't change. But sure, you can call assess_dope directly on whatever selection you like: https://salilab.org/modeller/9.21/manual/node258.html
If you want to tie this in to loopmodel automatically, you can write a little function to do it and assign that function to loop_assess_methods in the usual fashion. See modlib/modeller/automodel/assess.py for the existing (very simple) functions.
Ben Webb, Modeller Caretaker
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malkeet singh Bahia
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Modeller Caretaker