Francois Berenger wrote: > When I run coot in order to read the experimental MTZ corresponding > to the PDB I am viewing, [snip] > > > I am afraid coot is refining my molecule instead of just displaying the > map. > Well, Refmac is - at Coot's request. This usually happens because Coot doesn't detect phases in your MTZ file (i.e. you are using a phasing input file, rather than an output file). Or it could be a bug. Paul.