Similarity matrix between the selected compounds and known substrates for prenyltransferases extracted from PrenDB.
Left, ECFP4 fingerprint similarity. Middle, RedFrag scores calculated with ECFP4 fingerprints. Color coding (top), green, yield >50%; yellow, yield between 1 and 50%; gray, no transformation. Right, magenta and brown bars indicate 14 detected clusters. Black vertical lines on the leaves of the dendrogram indicate the number of molecules grouped together.