Dear All,
I would like to learn how to relate water molecules by NCS and refine them. 
When I googled, CCP4 utilities sortwater and watncs showed up. I also found 
"Applying NCS to a high resolution structure , including water molecules in NCS 
restraints" on autobuster examples. Some how I got error 
 Interpreting card: NOTE BUSTER_SIM_DEFINE ncsUV Chain_U V     Number of atoms 
in template set=   109     Number of related chains (other than template) in 
SIM set=    1     List of chains to be restrained (excluding template)=   V    
*** ERROR a chain specified has less than 3 matching atoms to the template *** 
ERROR   the chain in question is 'V'  *** ERROR   number of matching atoms is=  
          0 *** ERROR found in finding matching atoms for NCS set up(END) 
Could you please point me to place where I could find  one or two good examples 
or extended information to learn how this works? Also would like to know if 
this helps the refinement in general.
ThanksRajesh                                      

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