Hello,

I think I can help you.
The xyz file format is quite easy:
1 line: No of atoms
2 line: header
all other lines: <atom symbol>  <x>             <y>             <z>

The MOL and SD file format descriptions can be found on the MDL home page.
You have to search for the CTFile Formats
(http://www.mdl.com/solutions/solutions_for/research_scientist/ see the last
point on the page). It is also part of the ISIS documentation. 

NCI Database.
I have worked on the Enhanced NCI database. If you have more questions about
it, fell free to ask me.

Bye
Frank

Dr. Frank Oellien
Intervet Innovation GmbH | Akzo Nobel
DrugDiscovery / BioChemInformatics
Zur Propstei
55270 Schwabenheim
Tel.: +49 (0)6130-948-365
Fax: +49 (0)6130-948-517
<Due to massive spaming there is no direct link to my email address. The
format of my email is [EMAIL PROTECTED]>




-----Original Message-----
From: Miguel [mailto:[EMAIL PROTECTED]
Sent: Dienstag, 16. September 2003 09:00
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: [Jmol-users] Re: file format specs and molecule databases


> Where can I find the specs for the different molecular file formats
> (XYZ,  MOL, etc.)?
Hmmm ... I am not the file format person, so I don't really know ... I was
asking the same question a few months ago. Perhaps someone else can give
us a reference to a comprehensive list.

And if we come up with a good list then we can publish it on the Jmol web
pages.

> I know the Brooklyn protein databank, but I'm looking for smaller
> molecules  (vitamins, pharmaceuticals, ...).
> Do you know any free databases focused on models of small molecules on
> the WWW?
I recently became aware of a large database maintained by the US National
Cancer Institute.
  http://cactus.nci.nih.gov

They claim to have over 250K compounds. I have not spent a lot of time
there. If you use it, let us know what you think.


Miguel





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