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Table 1 Key to fingerprint abbreviations used

From: Comparing structural fingerprints using a literature-based similarity benchmark

Abbreviation Fingerprint description Class
AP Atom pair Path-based
Avalon Developed for substructure screen-out when searching Substructure keys
ECFC0 Count vector form of ECFP0 Circular
ECFC2 Count vector form of ECFP2 Circular
ECFC4 Count vector form of ECFP4 Circular
ECFC6 Count vector form of ECFP6 Circular
ECFP0 Extended-connectivity fingerprint of diameter 0 Circular
ECFP2 Extended-connectivity fingerprint of diameter 2 Circular
ECFP4 Extended-connectivity fingerprint of diameter 4 Circular
ECFP6 Extended-connectivity fingerprint of diameter 6 Circular
FCFC2 Count vector form of FCFP2 Circular
FCFC4 Count vector form of FCFP4 Circular
FCFC6 Count vector form of FCFP6 Circular
FCFP2 Feature-class fingerprint of diameter 2 Circular
FCFP4 Feature-class fingerprint of diameter 4 Circular
FCFP6 Feature-class fingerprint of diameter 6 Circular
HashAP Bit vector form of AP Path-based
HashTT Bit vector form of TT Path-based
LAvalon 16384-bit form of Avalon Substructure keys
LECFP4 16384-bit form of ECFP4 Circular
LECFP6 16384-bit form of ECFP6 Circular
LFCFP4 16384-bit form of FCFP4 Circular
LFCFP6 16384-bit form of FCFP6 Circular
MACCS Molecular ACCess System structural keys Substructure keys
RDK5 Encodes paths of maximum length 5 Path-based
RDK6 Encodes paths of maximum length 6 Path-based
RDK7 Encodes paths of maximum length 7 Path-based
TT Topological torsion fingerprint Path-based
  1. See “Methods” section for associated references