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Can you attach the pointlesslog and maybe also aimless & ctruncate logs? ctruncate will check for any non-translational vector.. But missing I cemntring shouldnt stop you solving the structure? If it is real you would hope to find two solutions seperated by 1/2, 1/2, 1/2. Eleanor On Fri, 19 Apr 2019 at 19:11, Almudena Ponce Salvatierra < [log in to unmask]> wrote: > Dear all, > > I'm processing my data with XDS and with DIALS and at first sight it would seem reasonable to assume that the Laue group is > > either orthorrombic or monoclinic. Autoprocessing brings me always to P212121, but I have tried also to solve the > structure in space groups 1, 3, 4, 16, 17 and 18, without success. > > Pointless gives the following warning: > > WARNING: The data were integrated on a primitive lattice, but show some apparent features of a centered > > lattice of type I, Mean(E^2) for lattice absences = 1.15 > > However, it might be pseudo-centered, due to translational non-crystallographic symmetry > > Mn(I/sigI) for potentially absent reflections in the first 7 resolution bins = 4.76 is significantly above 0.0 > > Rough estimated probability of true centering = 0.714 > > NB: I lattice was chosen for further analysis rather than lattice type I > > Best Solution: space group P 21 21 21 > > Reindex operator: [h,k,l] > > Laue group probability: 0.762 > > Systematic absence probability: 0.682 > > Total probability: 0.520 > > Space group confidence: 0.478 > > Laue group confidence 0.702 > > > However XDS doesn't give me option to choose any other lattices if not those in which I have already failed to > > solve the structure, those marked with starts that are consistent with the observed locations of the diffraction spots. > > > So, I don't know what to do, I'm guessing it could be that it is C222, C2221 or C2 as well... but when I try space groups 5, 20 or 21 XDS > gets stalled and DIALS can not proceed with the step of refinement. > > > I'll be very thankful for any suggestions on how to continue on this venture... > > > Have a nice weekend and a happy Easter! > > Best, > > > Almudena > > > ------------------------------ > > To unsubscribe from the CCP4BB list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=CCP4BB&A=1 > ######################################################################## To unsubscribe from the CCP4BB list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=CCP4BB&A=1