When we compute the lattice symmetry a certain tolerance is used (lattice_symmetry_max_delta=5). If you run iotbx.lattice_symmetry --delta=5 --unit-cell=... with your P21 unit cell you can check if it comes up with the orthorhombic lattice symmetry. Assuming that's OK, yes, you should be fine. Ralf On Mon, Sep 26, 2011 at 7:33 PM, Yuri wrote:

So in other words, if I input the reflection and the space group as P 1 21 1 (lower symmetry vs the initially attempted C 2 2 21), and I specified the operator in the refinement parameters I should be ok, right?

Thank you

-- Yuri Pompeu ______________________________**_________________ phenixbb mailing list [email protected] http://phenix-online.org/**mailman/listinfo/phenixbbhttp://phenix-online.org/mailman/listinfo/phenixbb