Along with the paper mentioned by Rajiv, you could look at this paper as
well which discusses a major shift in the understanding of data quality
from I/sig(I) based to CC1/2 based indicators.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4684713/

Hope this helps.

All the best.

Best,
Tushar.



On Sat, 11 Sep 2021, 09:36 Rajiv gandhi.s, <[email protected]> wrote:

> Dear Chang,
> One need to set resolution cut off, to have a meaningful data without
> losing high resolution data and keeping data integrity. Some key quality
> indicators like I/Sigma I,  CC 1/2 and Rpim etc., at outer most shell need
> to be considered.  What was the CC 1/2 value in outer shell ?
>
> Please refer to the below paper.
> How good are my data and what is the resolution
> Assessing and maximizing data quality in macromolecular crystallograph
>
> On Sat, 11 Sep 2021, 9:52 pm Tao-Hsin Chang, <[email protected]>
> wrote:
>
>> Hi Farhan,
>>
>> It looks like that your diffraction data has an anisotropic issue and it
>> leads to the issues of resolution limit, intensity, and completeness. Check
>> The STARANISO Server (
>> https://staraniso.globalphasing.org/cgi-bin/staraniso.cgi). It may be
>> useful for your case.
>>
>> Best wishes,
>> Tao-Hsin
>>
>> On Sep 11, 2021, at 11:55 AM, Syed Farhan Ali <[email protected]>
>> wrote:
>>
>> Dear All,
>>
>> I have query regarding one of my dataset. I am running aimless by keeping
>> highest resolution 1.62 A and getting  I/SigI = 2 but data completeness is
>> around 22 in outermost shell. And if I am increasing the resolution cutoff
>> up to 1.8 A then I/SigI is 6.2 and completeness is 82.4.
>> I have attached the screenshot of the result.
>> What should be the criteria to set the resolution limit?  Should I stick
>> to  I/SigI  or I have to consider about the completeness of data.
>> And if completeness is also a guiding factor than how much minimum
>> completeness I can keep in the higher resolution shell.
>>
>>
>>
>>
>>
>> Regards,
>> Farhan
>>
>>
>>
>>
>> ------------------------------
>>
>> To unsubscribe from the CCP4BB list, click the following link:
>> https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1
>> <Screenshot 2021-09-11 at 8.43.25 PM.png><screenshot1.6.tiff>
>>
>>
>>
>> ------------------------------
>>
>> To unsubscribe from the CCP4BB list, click the following link:
>> https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1
>>
>
> ------------------------------
>
> To unsubscribe from the CCP4BB list, click the following link:
> https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1
>

########################################################################

To unsubscribe from the CCP4BB list, click the following link:
https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1

This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a mailing list 
hosted by www.jiscmail.ac.uk, terms & conditions are available at 
https://www.jiscmail.ac.uk/policyandsecurity/

Reply via email to