[gmx-users] using editconf to duplicate membrane

Bing Bing jarbing09 at gmail.com
Tue Jul 7 07:26:05 CEST 2009

Dear all,
I want to extend the membrane into 512 POPC with the starting structure of
128 POPC. I 've used :-
editconf -f xxx.pdb -scale 2 2 1 -o zzz.pdb.
I noticed that the pdb file that generated by editconf have only 1 set of
128 popc. Using vmd, the extended structure is in pieces, the no bond
between each atom. When i checked the pdb file, i didn't find any atomic
coordination for the extended set of POPC. Did i missed out anything here?
or what I've done is wrong here?

When i used genconf , the extended structure looks fine. But, i found some
discussion regarding genconf whereby the structure will not be in one pieces
if this command is used. Please advice.

Thank in advance.

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