<p>yes. you need to and can still put System for the removal group.</p>
<p>><br>
> On Feb 21, 2012 5:51 PM, "xiaojing gong" <<a href="mailto:xnzgxj@gmail.com">xnzgxj@gmail.com</a>> wrote:<br>
>><br>
>> Dear all,<br>
>> I used the GMX 4.5.5 to run a simulation with a fixed plane and water.<br>
>> I wonder to know if I fix the plane, shall I use the command of<br>
>> the removal of the center of mass for water? I will appreciate it if<br>
>> you will share your opion.<br>
>><br>
>> Many thanks<br>
>> XJ<br>
>> --<br>
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</p>