<P>
<BR>
I think, setting tc groups = system will solve this issue.<BR>
<BR>
On Thu, 17 Jul 2008 Justin A.Lemkul wrote :<BR>
>For warnings/errors, etc. please check the archive and wiki before posting. I just responded to a similar issue a few days ago:<BR>
><BR>
>http://www.gromacs.org/pipermail/gmx-users/2008-June/034786.html<BR>
><BR>
>-Justin<BR>
><BR>
>alkasrivastava@iitb.ac.in wrote:<BR>
>>Hi all<BR>
>>I have installed gromacs 3.3.3 in one of my 32 machine fedora core 2.<BR>
>>so check i tried to to do speptide tutorial in<BR>
>>/usr/local/gromacs/share/gromacs/tutor/speptide<BR>
>><BR>
>>But when i m running grompp for position restraint with the command<BR>
>>grompp -f pr -o pr -c after_em -r after_em -p speptide<BR>
>><BR>
>>i get the following warning<BR>
>><BR>
>> WARNING 1 [file aminoacids.dat, line 1]:<BR>
>> T-Coupling group Protein has fewer than 10% of the atoms (191 out of<BR>
>> 2741)<BR>
>> Maybe you want to try Protein and Non-Protein instead?<BR>
>><BR>
>>I tried to change SOL with non protein but getting the same warning. is it<BR>
>>ok to go further with this warning<BR>
>><BR>
>>When i did grompp for full MD with the command<BR>
>><BR>
>>grompp -v -f full -o full -c after_pr -p speptide<BR>
>><BR>
>>again i m getting the same warning<BR>
>><BR>
>>WARNING 1 [file aminoacids.dat, line 1]:<BR>
>> T-Coupling group Protein has fewer than 10% of the atoms (191 out of<BR>
>> 2741)<BR>
>> Maybe you want to try Protein and Non-Protein instead?<BR>
>><BR>
>><BR>
>>I tried to change SOL with non protein but getting the same warning.<BR>
>><BR>
>>I don't know what to do now and how can i overcome this, if anyone could<BR>
>>help me.<BR>
>><BR>
>>Thanks<BR>
>><BR>
>>ALKA<BR>
</P>
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