[phenixbb] formyl-methionine

Nathaniel Echols nechols at lbl.gov
Fri Aug 19 10:23:35 PDT 2011

On Fri, Aug 19, 2011 at 10:19 AM, Yuri <yuri.pompeu at ufl.edu> wrote:

> Stupid question. I see density at my N-terminus that really looks like
> formyl-Met.
> I want to model it and refine. I notice REEl has FME ligand for the
> formyl-methionine, but I dont want to treat it as a "ligand"
> since it is covalently attached to SER 2.
> What is the best way to modify the MET residue?

I think it will still treat it as part of the covalent protein chain if you
name it FME and supply the appropriate restraints (you will need to generate
the CIF file in eLBOW).

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