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Please do not send unsolicited private requests for help. The
gmx-users mailing list is appropriate. I am forwarding there without
the file attachments.<br>
<br>
You should not mix force fields <a
href="http://www.gromacs.org/Documentation/How-tos/Parameterization">http://www.gromacs.org/Documentation/How-tos/Parameterization</a><br>
<br>
Your actual errors suggest you do not have interaction types defined
for the interactions specified in your molecule .itp file. You need
to do your own detective work to find out why.<br>
<br>
Mark<br>
<br>
-------- Original Message --------
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<th valign="BASELINE" align="RIGHT" nowrap="nowrap">Subject: </th>
<td>request</td>
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<th valign="BASELINE" align="RIGHT" nowrap="nowrap">Date: </th>
<td>Fri, 27 May 2011 22:15:21 +0430</td>
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<th valign="BASELINE" align="RIGHT" nowrap="nowrap">From: </th>
<td>mona dehghani <a class="moz-txt-link-rfc2396E" href="mailto:mona.acomarine@gmail.com"><mona.acomarine@gmail.com></a></td>
</tr>
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<th valign="BASELINE" align="RIGHT" nowrap="nowrap">To: </th>
<td><a class="moz-txt-link-abbreviated" href="mailto:mark.abraham@anu.edu.au">mark.abraham@anu.edu.au</a></td>
</tr>
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<br>
<br>
Dear Dr.Abraham<br>
<font><font><font style="font-size: 10pt;"><font style="font-size:
10pt;"><span id="result_box" lang="en"><span title="Click
for
alternate translations" class="hps">I</span> <span
title="Click for
alternate translations" class="hps">am a PHD</span> <span
title="Click for
alternate translations" class="hps">student</span> and <span
title="Click
for alternate translations" class="hps"></span></span><font><font
style="font-size: 10pt;"><span id="result_box" lang="en"><span
title="Click for
alternate translations" class="hps"></span><span
title="Click for
alternate translations" class="hps"></span></span></font></font><font><font
style="font-size: 10pt;"><span id="result_box" lang="en"><span
title="Click for alternate
translations" class="hps"> I use from AMBER96FF
,CHARMM27ff ports in GROMACS for simulation </span></span></font></font></font></font></font></font><font><font><font
style="font-size: 10pt;"><font style="font-size: 10pt;"><font><font
style="font-size: 10pt;"><span id="result_box" lang="en"><span
title="Click for
alternate translations" class="hps">. DNA</span> </span></font></font><font><font
style="font-size: 10pt;"><span id="result_box" lang="en">
<span title="Click for alternate
translations" class="hps">sequence</span> <span
title="Click for alternate
translations" class="hps">is</span> <span
title="Click for alternate
translations" class="hps">CGCGAATT(5CM)CGCG.I have
inserted a new residue (DM instead of 5CM) and
changed relative files(the attached files).<br>
<br>
but I have fatal erorrs in grompp:<br>
{erorr1:[file epo0003-DNA-chain-A.itp ,line 2322]:<br>
No default Angletypes}<br>
{erorr2:[</span></span></font></font></font></font></font></font><font><font><font
style="font-size: 10pt;"><font style="font-size: 10pt;"><font><font
style="font-size: 10pt;"><span id="result_box" lang="en"><span
title="Click for alternate
translations" class="hps">file
epo0003-DNA-chain-A.itp ,line 3679</span></span></font></font></font></font></font></font><font><font><font
style="font-size: 10pt;"><font style="font-size: 10pt;"><font><font
style="font-size: 10pt;"><span id="result_box" lang="en"><span
title="Click for alternate
translations" class="hps">]:<br>
No default Improper Dih.types}<br>
</span></span></font></font></font></font></font></font><font><font><font
style="font-size: 10pt;"><font style="font-size: 10pt;"><font><font
style="font-size: 10pt;"><span id="result_box" lang="en"><span
title="Click for alternate
translations" class="hps">{erorr3:[file
epo0003-DNA-chain-B.itp ,line 2322]:<br>
No default Angletypes}<br>
{erorr4:[</span></span></font></font></font></font></font></font><font><font><font
style="font-size: 10pt;"><font style="font-size: 10pt;"><font><font
style="font-size: 10pt;"><span id="result_box" lang="en"><span
title="Click for alternate
translations" class="hps">file
epo0003-DNA-chain-B.itp ,line 3679</span></span></font></font></font></font></font></font><font><font><font
style="font-size: 10pt;"><font style="font-size: 10pt;"><font><font
style="font-size: 10pt;"><span id="result_box" lang="en"><span
title="Click for alternate
translations" class="hps">]:<br>
No default Improper Dih.types}</span></span></font></font></font></font></font></font><br>
<br>
<font><font><font style="font-size: 10pt;"><font style="font-size:
10pt;"><font><font style="font-size: 10pt;"><span
id="result_box" lang="en"><span title="Click for
alternate
translations" class="hps">Please find the attached
files .Kindly help me solve this problem.<br>
<br>
</span></span></font></font></font></font></font></font><font
style="font-size: 10pt;">
<div>
<div><font style="font-size: 10pt;">
<div>
<span id="result_box" lang="en">I would really appreciate
that</span></div>
</font></div>
<br>
</div>
</font>
<div>Mona Dehghani<br>
</div>
<div>Phd student</div>
<div>Institute of Biochemistry and Biophysics </div>
<br>
<br>
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