Clusters found with your TF of interest:

Not all of these will be good Discoveries; and not all will be good matches to your motif of interest. Be sure to check out the e-values in each case (shown in the table below). It can also be the case that other motifs are better matches. This is just giving you a table of possibilities.
clusterTFSiteseDiscoveryeMatchdatabase
1538Ar401.8e-330.0000000198JASPAR
1645Ar480.0000000000230.00000084293JASPAR
1160Ar410.0000280.050001JASPAR
2487Ar370.000780.0064404JASPAR
2252Ar280.00320.0075691JASPAR
1227Ar180.450.00028926JASPAR