Hi Reza, you can have as many as you can fit into memory of your computer. Note, you need to provide the whole molecule as the input (not one copy plus MTRIX/BIOMT matrices). If you only have one copy plus MTRIX/BIOMT matrices you can use phenix.pdb.mtrix_reconstruction or phenix.pdb.biomt_reconstruction tools to obtain the whole model (the GUI equivalents of these command line tools are available, I think). Running real-space refinement (phenix.real_space_refine) would be less memory intensive than reciprocal space refinement (phenix.refine). You did not mention what data you have, X-ray or Cryo-EM, so I would not tell much about this. Anyway, you should be able to do what you want without problems. If you have any questions or problems or need any help please let me know! Good luck! Pavel On 10/1/15 17:10, Reza Khayat wrote:
Hi,
I need to use icosahedral symmetry to refine a virus crystal structure. Does phenix support 60 NCS matrices? If not, how should I go about recompiling the program so that I can have 60 NCS matrices?
Best wishes, Reza
Reza Khayat, PhD Assistant Professor City College of New York Department of Chemistry New York, NY 10031
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