Dear List I was looking at the charged groups in a charmm nucleotide, and could see several groups containing 4 to 14 atoms with integer charges. However, the default topology does not have these charged groups. each atom is given a charged group in the default topology. Can we foresee any problems in replacing the default charged groups generated by pdb2gmx by custom-made charged groups of integer values ? Along the same lines, will this lead to a significant increase in performance, besides the advantage of transferability ?
Thanking you in advance Maria -- Maria G. Technical University of Denmark Copenhagen
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