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<div style="direction:ltr; font-family:Tahoma; color:#000000; font-size:10pt">Hello,<br>
<span style="background-color:white"><font color="black" face="Tahoma" size="2"><span dir="ltr" style="font-size:10pt">Am anik. Am using gromacs 4.5.5<br>
I could not find the proper reason of the foillowig failure of my job. please help.<br>
<br>
</span></font></span><span style="background-color:white"><font color="black" face="Tahoma" size="2"><span dir="ltr" style="font-size:10pt"><b>The following is a part of the dna pdb file, which I am using:<br>
<br>
</b>ATOM 1 O5' DG5 X 1 13.663 36.760 21.465 0.00 0.00
<br>
ATOM 2 C1' DG5 X 1 14.791 36.040 21.150 0.00 0.00 <br>
ATOM 3 C4' DG5 X 1 14.771 34.703 21.873 0.00 0.00 <br>
ATOM 4 O4' DG5 X 1 16.017 34.553 22.577 0.00 0.00 <br>
ATOM 5 C5' DG5 X 1 13.724 34.528 22.970 0.00 0.00 <br>
ATOM 6 O3' DG5 X 1 13.540 33.118 23.234 0.00 0.00 <br>
ATOM 7 C3' DG5 X 1 14.362 35.323 24.108 0.00 0.00 <br>
ATOM 8 C2' DG5 X 1 15.856 35.044 23.903 0.00 0.00 <br>
ATOM 9 N1 DG5 X 1 16.753 36.193 24.040 0.00 0.00 <br>
ATOM 10 C8 DG5 X 1 16.484 37.562 24.004 0.00 0.00 <br>
ATOM 11 N7 DG5 X 1 17.551 38.308 24.156 0.00 0.00 <br>
ATOM 12 C4 DG5 X 1 18.589 37.359 24.268 0.00 0.00 <br>
ATOM 13 C6 DG5 X 1 19.989 37.514 24.448 0.00 0.00 <br>
ATOM 14 O6 DG5 X 1 20.648 38.553 24.534 0.00 0.00 <br>
ATOM 15 N9 DG5 X 1 20.645 36.287 24.525 0.00 0.00 <br>
ATOM 16 C2 DG5 X 1 20.048 35.045 24.439 0.00 0.00 <br>
ATOM 17 N3 DG5 X 1 20.848 33.965 24.540 0.00 0.00 <br>
ATOM 18 N5 DG5 X 1 18.753 34.884 24.262 0.00 0.00 <br>
ATOM 19 C5 DG5 X 1 18.095 36.074 24.193 0.00 0.00 <br>
ATOM 20 P DT X 2 12.650 32.528 24.445 0.00 0.00 <br>
ATOM 21 O1P DT X 2 12.016 31.284 23.943 0.00 0.00 <br>
ATOM 22 O2P DT X 2 11.806 33.610 25.015 0.00 0.00 <br>
ATOM 23 O5' DT X 2 13.743 32.102 25.531 0.00 0.00 <br>
ATOM 24 C3' DT X 2 14.653 31.088 25.184 0.00 0.00 <br>
ATOM 25 C2' DT X 2 15.813 31.114 26.126 0.00 0.00 <br>
ATOM 26 O3' DT X 2 16.429 32.408 26.092 0.00 0.00 <br>
ATOM 27 C5' DT X 2 15.420 30.906 27.570 0.00 0.00 <br>
ATOM 28 O4' DT X 2 15.818 29.609 27.955 0.00 0.00 <br>
ATOM 29 C4' DT X 2 16.171 31.996 28.340 0.00 0.00 <br>
ATOM 30 C1' DT X 2 17.115 32.536 27.293 0.00 0.00 <br>
ATOM 31 N3 DT X 2 17.425 33.937 27.428 0.00 0.00 <br>
ATOM 32 C2 DT X 2 18.741 34.313 27.581 0.00 0.00 <br>
ATOM 33 O2 DT X 2 19.667 33.515 27.649 0.00 0.00 <br>
ATOM 34 N1 DT X 2 18.932 35.671 27.666 0.00 0.00 <b><br>
<br>
<br>
But my job is failing, as shown below:<br>
<br>
<br>
</b>[ganguly@localhost anik]$ pdb2gmx -f dna-A.pdb -o dna-B.pdb -p topol.top<br>
:-) G R O M A C S (-:<br>
<br>
GROtesk MACabre and Sinister<br>
<br>
:-) VERSION 4.5.5 (-:<br>
<br>
Written by Emile Apol, Rossen Apostolov, Herman J.C. Berendsen,<br>
Aldert van Buuren, Pär Bjelkmar, Rudi van Drunen, Anton Feenstra, <br>
Gerrit Groenhof, Peter Kasson, Per Larsson, Pieter Meulenhoff, <br>
Teemu Murtola, Szilard Pall, Sander Pronk, Roland Schulz, <br>
Michael Shirts, Alfons Sijbers, Peter Tieleman,<br>
<br>
...................................................................................<br>
...................................................................................<br>
...................................................................................<br>
<br>
Opening force field file /usr/local/gromacs/share/gromacs/top/amber03.ff/dna.arn<br>
Opening force field file /usr/local/gromacs/share/gromacs/top/amber03.ff/rna.arn<br>
Checking for duplicate atoms....<br>
Now there are 657 atoms. Deleted 7 duplicates.<br>
<br>
-------------------------------------------------------<br>
Program pdb2gmx, VERSION 4.5.5<br>
Source code file: pgutil.c, line: 91<br>
<br>
Fatal error:<br>
Atom N3 is used in an interaction of type atom in the topology<br>
database, but an atom of that name was not found in residue<br>
number 31.<br>
<b><br>
</b></span></font></span></div>
<div style="font-size:9pt; font-family:'Calibri',sans-serif">========================================================<br>
Anik Sen<br>
Student<br>
CSIR-Central Salt & Marine Chemicals Research Institute,<br>
Gijubhai Badheka Marg.<br>
Bhavnagar, Gujarat 364002<br>
<div><img alt="www.csmcri.org" src="http://www.csmcri.org/images/logo.png"></div>
========================================================</div>
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