[phenixbb] centered triclinic lattice

Phil Evans pre at mrc-lmb.cam.ac.uk
Wed Dec 14 07:59:41 PST 2022


CCP4 doesn’t like space group A1 either :-(


> On 14 Dec 2022, at 15:31, Cathy Lawson <cathy.lawson at rcsb.org> wrote:
> 
> Looking for suggestions —  cctbx/phenix seems not to be able to handle a triclinic lattice with centering.
> 
> Specific Example: PDB entry 1LKS with cell parameters/space group “A 1”: CRYST1   31.970   65.080   27.250  94.57 111.56  82.98 A 1           2 
> 
> A 1 diagram: http://img.chem.ucl.ac.uk/sgp/large/001bz1.htm
> 
> Are there any other options for working with this data in phenix other than creating an explicit 2nd copy of the coordinates at x, 1/2+y,1/2+z and setting space group to primitive lattice P 1?
> 
> Thanks in advance.
> 
> 
> 
> 
> 
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