[phenixbb] NCS restraints

Yuri yuri.pompeu at ufl.edu
Thu Jun 30 21:07:38 PDT 2011


I have some fundamental questions about NCS:
1- I think its somewhat of a consensus that at higher res. it should 
not be used to avoid missing out "real" detailed discrepancy. Is this 

2- Should one try to use it in lower res data (3 A and worse)?

3- Is the presence of NCS macromolecule specific, or crystal specific? 
In other words, if for the same enzyme one crystal goes to 3.1 and 
another 1.5 A could one have significant NCS but not the other?

Thanks or any clarification

Yuri Pompeu

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