<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><DIV>All gmx users</DIV>
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<DIV>I am a very new fellow in gromacs</DIV>
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<DIV>My structure contains 52 residues of a parallel helices with the separation of about 2 nm. I created a box with the editconf as</DIV>
<DIV>editconf -bt dodecahedron -c </DIV>
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