Hi Vijyay, Did you tried with P212121 system?. RCSB has one structure with similar unitcell and the corresponding pdb code is 3BMA. If you have not tried then I hope it will solve the problem.
Thanks damo On Thu, Nov 29, 2018 at 11:44 AM Vijay Jayaraman < bkvijay.jayara...@gmail.com> wrote: > Hi all, > The data that we collected recently is in space group C 2 2 21 and appears > to be twinned. I could not find a twin law which I can use to detwin the > data. The R and R free doesn't drop below 0.4 even after multiple rounds of > manual and automated refinement. I have also attached the self-rotation > function output as a pdf file here. Kindly suggest a solution. Useful > details are here: > > Space group C 2 2 21 > Unit cell: 92.24 148.78 206.60 90.00 90.00 90.00 > Maximum resolution: 2.6 Angstrom > > This is the warning message from the AIMLESS log file: > > "WARNING: the L-test suggests that the data may be twinned, > so the indicated Laue symmetry may be too high > Rough estimated twin fraction alpha from cumulative N(|L|) plot 0.151 > +/-(0.020) > Rough estimated twin fraction alpha from 0.141 > Rough estimated twin fraction alpha from 0.128" > > Thanks. > > > ######################################################################## > > 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