Dear Justin<br><br>I made new .ndx file in which there are following groups:<br><br>protein<br>protein-H<br>DNA<br>DNA-H<br>SOL<br><br>I changed selection.dat file to<br><br>waterO = group SOL and name OW;<br>heavy1 = group Protein-H;<br>
heavy2 = group DNA-H;<br>inter = waterO and within 0.3 of heavy1 and within 0.3 of heavy2;<br>inter;<br><br>but again I encountered same error:<br><br>selection parser: syntax error<br> heavy1 = group Protein-H'selection '<br>
<br>-------------------------------------------------------<br>Program g_select, VERSION 4.5.1<br>Source code file: trajana.c, line: 1310<br><br>Input error or input inconsistency:<br>selection(s) could not be parsed<br>For more information and tips for troubleshooting, please check the GROMACS<br>
website at <a href="http://www.gromacs.org/Documentation/Errors">http://www.gromacs.org/Documentation/Errors</a><br><br>