Hello:
We are trying to refine a structure at 2.8 A using restrained refinement/TLS 
and restrained refinement. 

I have to decrease the matrix weighting term to 0.06 to keep the rms bond and 
rms angles close to 0.015 and 1.5 respectively. Is it ok to decrease the 
weighting term to this low? I tried to read about this but couldn't really find 
as to what values of weighting term can we go for a particular resolution.

Also, I had to increase the overall weights for distance and angle to 1.5 and 
1.4 respectively along with the matrix weight of 0.06 to get the above 
mentioned rms bond and angle values. Upto what values can we go for the overall 
weights? A colleague told me that I should not go below 0.1 for weighting term 
but can go up to 2.5 for overall weights for distance and angle. Is this true? 

Thanks in advance,
Regards,
Madhavi



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