VMD-L Mailing List

From: JC Gumbart (gumbart_at_ks.uiuc.edu)
Date: Thu May 31 2012 - 16:20:22 CDT

Probably a small hack to the membrane.tcl code in the plugin (e.g., removing the "L" from the segname to make it shorter?) would be sufficient for your purposes. You can find it in your VMD install directory.

On May 31, 2012, at 7:03 AM, P.-L. Chau wrote:

> Could I ask you for some advice on how to make a very large membrane?
>
> I used the membrane builder in VMD, requesting a POPC membrane in CHARMM36
> potential measuring 100nm by 100nm. VMD, or rather PSFGEN, crashed, giving
> me this error message:
>
> psfgen) error: segid L1100 is longer than 4 characters allowed by psf
> format
>
> Could I ask if this is an absolute limit? Is there some way one could
> extend it further?
>
> Thank you very much.
>
> P-L Chau
>
> email: pc104_at_pasteur.fr
> Bioinformatique Structurale
> CNRS URA 2185
> Institut Pasteur
> 75724 Paris
> France