RDKit Fingerprint Node

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1

I used RDKit fingerprint node to generate ECFP4 fingerprints using Morgan. Does anyone know what is the maximum size of bits that can be generated?

Thanks in advance.

2

I don't believe that the RDKit code itself imposes a maximum.

I have done a couple of blog posts looking at the impact of fingerprint size on collisions when using the RDKit Morgan2 implementation: http://rdkit.blogspot.ch/2014/02/colliding-bits.html and http://rdkit.blogspot.ch/2014/03/colliding-bits-ii.html

Making the fingerprints larger than 8192 bits really doesn't do much.

Best,

-greg

 

 

3

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