Dunbrack rotamer energy term...
This question is regarding the implementation of the Dunbrack rotamer energy term (fa_dun).
Based on my understanding of the implementation in Rosetta 2.3, I noticed that the fa_dun energy is comprised of two components:
1) A backbone-dependent probability of the rotamer : E = -log (p)
2) An "un-normalized" gaussian penalty parametrized using the average chi angles and the standard deviations for the rotamer: E_penalty = -log (gaussian)
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