Hello

I just found a page with amber forcefield parameters for phosphohistidine
however these are to be used by the AMBER program
Is it easy (or is there any util) that I can use to translate parameters form one
format into another?.


Eduardo
Justin A. Lemkul wrote:
Eduardo,

To my knowledge, no parameters exist for phosphorylated histidine.  You will
have to derive them in a manner consistent with the original forcefield.  If
you are interested in breaking the His-PO3 bond, you will need to do some
fairly rigorous QM/MM, for which an all-atom force field is the only way to go
(Amber or OPLSAA).  Sorry to say, I do not have parameters available for either
of these force fields that include your phosphorylated species.

-Justin
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