<html>
<head>
<style><!--
.hmmessage P
{
margin:0px;
padding:0px
}
body.hmmessage
{
font-size: 10pt;
font-family:Tahoma
}
--></style>
</head>
<body class='hmmessage'>
<pre>>If you're proceeding blindly, then you're likely going to frustrate yourself to <br>>no end. There is literature relevant to what you're doing - pulling on <br>>peptides/proteins to unfold them is something that's been done. So you should <br>>have some methodological precedent.<br><br>>"Non-Protein" is a default group that should have been written to the .ndx file <br>>by make_ndx. The only reason I can see for this error to come up is if you've <br>>removed it from the pull.ndx file. If you're using my .mdp file, then <br>>Non-Protein is a temperature coupling group.<br><br>>-Justin<br><br>I know there is literature relevant but is there any that explains how to do it in Gromacs? <br></pre> </body>
</html>