The data were extracted from MotifDb package (v 1.34.0) and grouped by motifStack package (v 1.37.2). The data were packaged as PFMatrixList object by TFBSTools (v 1.30.0)
data(motifs)a list of PFMatrixList. The names of the list is the grouop distance.
MotifDb package. Source code for the data generation is in extdata folder