CIS-BP A library of RNA binding protein (RBP) motifs and specificities

FactorBook Analysis results of ENCODE TF ChIP-seq data

DBD Transcription factor prediction database

PROSITE Database of protein domains, families and functional sites

AnimalTFDB Animal Transcription Factor DataBase

JASPAR A collection of transcription factor DNA-binding preferences

FlyFactorSurvey Database of Drosophila TF DNA-binding Specificities