On the other hand, shooting a lower resolution crystal may get you the 
conformation of the disordered domain. 

Surprising at first thought, but was true in p97/VCP from the Brunger Lab. 


F
        
On Dec 7, 2011, at 11:47 PM, atul kumar wrote:

> Dear all
> 
> I have crytals which diffract up to 3.2 A at synchrotron, I am solving this 
> by molecular replacement. I have built 70% of the model successfully,but the 
> problem is it have a very poor density for some 30-40 residues at N terminal. 
> I can't build anything in this region,this could be because of disordered 
> structure or because of low resolution.what are the things which I can try to 
> improve this?
> 
> suggestion are requested!
> 
> thanks
> regards'
> Atul Kumar
> 

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