On Fri, Jul 10, 2009 at 1:37 PM, Stefan Kuhn<stefan.k...@ebi.ac.uk> wrote:
>> According to this, CCCC is a substructure of CCCN (it could be a
>> coincidence of course, but like I said, this is my only test case so I
>> am suspicious).
>
> Just one remark: It does not mean that CCCC is a substructure of CCCN - the
> fingerprint is a prefiltering only. What it means is that the discriminatory
> power of the fingerprint has decreased (and for a case it really should
> handle), which is bad. But strictly speaking you can not say that a
> substructure relationship has been introduced.

Excellent point! Thanx for bringing that up.

Egon

-- 
Post-doc @ Uppsala University
http://chem-bla-ics.blogspot.com/

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