Rfactors can vary a lot for equally good results it seems. You need to
look at your Rfactor v resolution to see if there are any problems - ice
rings? low resolution stuff? etc etc
Have you used TLS sensibly - this can help..
etc etc
But if the maplooks good you should be happy.
Eleanor
Tim Gruene wrote:
> On Fri, Jun 18, 2010 at 09:14:28AM +0000, atul kumar wrote:
>> Dear all
>>
>> [...] these. Other than that, there are no major issues. I was just
>> wondering if the present R-factor values seem alright for a 1.9 ang data,
>> which many of you have suggested it does?
>>
>> Atul
> Yes, it does. The R-values are not the numbers you should look at to decide
> whether or not model building and refinement have finished. It's the map and
> e.g. the molprobity output you should look at.
> Tim
>
>>
>> On Fri, Jun 18, 2010 at 7:39 AM, atul kumar <[log in to unmask]>wrote:
>>
>>> Dear all
>>> I am trying to solve structure of data set at 1.9 A,r merge 9.3,it belongs
>>> to space group P3221 unit cell 160.78 157.32 135.62 90.0 90.0 90.0,i has no
>>> NCS ,i did tls refinement as well but after water addition the r factor and
>>> r free is stucked at 22 and 25 respectively.suggestions are requested for
>>> the same.
>>>
>>> regards
>>>
>>> Atul Kumar
>>>
>
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