2011/1/18 Angel Herráez <[email protected]>:
> Just my 2 cents:
>
>> Evidently, a fair number of PubChem's sdf's have partial charge data.
>
> I see aproblem here. The format shown in your example is not
> according to SDF spec  (I think it does not suppor partial charge,
> only formal charge).

How so? The file looks fine to me. The partial charges are stored in
custom data fields...

> So if Jmol is made to support reading that, it is not really SDF
> import. That should be made clear.

Now, PubChem is that common that it would not be bad to add support
for the 'PUBCHEM_MMFF94_PARTIAL_CHARGES' data field...

If peope are worried that there will be an explosion of supported
common data fields, then it may be an option later to use Jmol script
to tell the SD file reader to parse fields as such; something like:

set symyxSDreadPropertyAs PUBCHEM_MMFF94_PARTIAL_CHARGES partialCharge

(I guess partialCharge will match an existing script keyword
reflecting the partial charge, but too lazy right now to look up the
exact phrase...)

While certainly possible, it is indeed a bit ridiculous to not read
these partial charges, and having to use a JS SD files parser for
that...

Egon

-- 
Dr E.L. Willighagen
Postdoctoral Researcher
Institutet för miljömedicin
Karolinska Institutet
Homepage: http://egonw.github.com/
LinkedIn: http://se.linkedin.com/in/egonw
Blog: http://chem-bla-ics.blogspot.com/
PubList: http://www.citeulike.org/user/egonw/tag/papers

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