<DIV>
<DIV>Dear Users,</DIV>
<DIV>I am trying to form .top file by x2top. I used an example file (speptide.gro) inside tutor/speptide/</DIV>
<DIV> </DIV>
<DIV>and comment:</DIV>
<DIV> </DIV>
<DIV><FONT size=2>x2top -f speptide.gro -o x2.top -r x2.rtp</DIV>
<P>Fatal error: No forcefield type for atom CB (6) with 2 bonds</P>
<P>Could any advise me what is the problem and how to solve it?</P>
<P>Thanks in advance!</P>
<P>Regards,</P>
<P>Albert</P>
<P> </P>
<P> </P>
<P></FONT> </P>
<P> </P>
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