<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div>Dear all</div><div>I'm trying to use the follow command with a protein in DPPC and explicit water</div><div> </div><div>g_filter -s md.tpr -f md.xtc -ol movie_filtered.pdb -fit -nf 5</div><div> </div><div>Altough I selected protein group, the command export everything (water + protein + dppc).</div><div> </div><div>How can I fix it?</div><div> </div><div>Thanks in advance</div><div> </div></div></body></html>