Dear Deepali,
the best way to define the resolution cut-off is to check whether the
data still contribute to model quality. You can easily check that by the
procedure called "paired refinement" as described by Diederichs and
Karplus (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3457925/ check
Fig.1 and description).
You can prepare such a Figure for your refinement. This should convince
every reviewer.
HTH
Guenter
Dear all,
I am trying to process a crystal data at *2.8Å* and having CC1/2 is
0.771 (outer shell). I just want to know the acceptable range of
CC1/2. These are the statistics of the process data.
Overall InnerShell OuterShell
Low resolution limit 74.67 74.67 2.95
High resolution limit 2.80 8.85 2.80
Rmerge 0.067 0.042 0.964
Rmerge in top intensity bin 0.043 - -
Rmeas (within I+/I-) 0.072 0.046 1.032
Rmeas (all I+ & I-) 0.072 0.046 1.032
Rpim (within I+/I-) 0.026 0.018 0.368
Rpim (all I+ & I-) 0.026 0.018 0.368
Fractional partial bias -0.025 -0.019 -0.071
Total number of observations 289022 8892 42020
Total number unique 37156 1218 5376
Mean((I)/sd(I)) 16.5 39.0 2.1
Mn(I) half-set correlation CC(1/2) 0.999 0.998 0.771
Completeness 99.3 98.7 99.0
Multiplicity 7.8 7.3 7.8
Anomalous completeness 99.3 98.5 98.9
Anomalous multiplicity 4.0 3.9 4.0
DelAnom correlation between half-sets -0.042 -0.036 0.015
Mid-Slope of Anom Normal Probability 0.937 - -
--
*Regards,*
*Deepali Verma*
*Junior Research Fellow*
*Jaypee Institute of Information Technology*
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