On 02/02/2012 19:15, David García Aristegui wrote:
> Here are examples with .fs generated with the default fingerprint, FP2
> http://openbabel.org/docs/dev/Fingerprints/fingerprints.html
>
> Is  different the way to do a substructure search in a .fs generated with
> FP3, FP4 or MACCS fingerprints? could you tell me if are examples
> available?

You can use any OpenBabel fingerprint when making a .fs index, e.g.

   obabel datafile.sdf -ofs -xf FP4

The use of the index is the same whatever has been used to make the index.

But the default FP2 is the one that is most suitable for substructure 
searching. The others are structure keys and will record the structure 
in a coarser way. FP3 is also too incomplete to be much use at all.

Chris

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