From: John Stone (johns_at_ks.uiuc.edu)
Date: Mon Aug 08 2005 - 19:19:47 CDT

Hi,
  The 'srad' parameter is described in the text of the VMD User's Guide here:
http://www.ks.uiuc.edu/Research/vmd/current/ug/node121.html#6839

It's the amount by which each atom's radius is extended (the probe radius)
to find points on a sphere that are exposed to solvent. Normally one would
use a value of 1.4 for srad (angstroms).

  John Stone
  vmd_at_ks.uiuc.edu

On Mon, Aug 08, 2005 at 11:17:17AM +0200, Irena Tuszyska wrote:
> Hello,
>
> When I use "measure sasa" command :
>
> args: should be "measure sasa srad selection opt? value? ...
>
> 1. what is definition srad?
> 2. In what unit I must give srad and in what unit program give the result?
>
> Thanks
> Irina.

-- 
NIH Resource for Macromolecular Modeling and Bioinformatics
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