From: John Stone (
Date: Thu Oct 20 2005 - 15:20:13 CDT

  The sasa routine is so short that you can read it for yourself, as
I don't have the journal article you're referring to handy.
Scroll down to the bottom of this page to see the implementation:

The measure_sasa() routine definition is perhaps easier to jump from:

  John Stone

On Tue, Oct 18, 2005 at 08:12:24AM -0700, Basak Isin wrote:
> Hello,
> How does the sasa command calculate the surface accesibility in VMD?
> In general, softwares calculate surface accesibility by imlpementing the method in Lee and Richards (1971) J.Mol.Biol.55, 379-400. Is this also true for VMD?
> thanks,
> basak
> Basak Isin
> "What matters - all that matters, really - is the will to happiness, a kind of enormous, ever-present consciousness. The rest - women, art, success - is nothing but excuses." - Albert Camus
> Cause life is meant for living. Yaki-da ;o)
> ---------------------------------
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