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
1694Nkx2-55800.01634JASPAR
977Nkx2-5701.6e-340.018861JASPAR
1759Nkx2-5831.9e-280.0064955JASPAR
1738Nkx2-5451.2e-180.00028009JASPAR
2272Nkx2-5402.6e-180.0054224JASPAR
1086Nkx2-5470.0000000000000260.017926JASPAR
1875Nkx2-5570.000000000000890.0062747JASPAR
1495Nkx2-5470.00000000000160.0010713JASPAR
951Nkx2-5320.00000000000390.00005071JASPAR
1160Nkx2-5300.0000000000160.008251JASPAR
1595Nkx2-5470.0000000000560.016462JASPAR
320Nkx2-570.0000000000760.00034931JASPAR
1136Nkx2-5190.00000000170.00022881JASPAR
1646Nkx2-5430.0000000170.0085866JASPAR
1649Nkx2-5470.0000000170.011734JASPAR
1810Nkx2-5320.0000000250.0028919JASPAR
1942Nkx2-5200.0000000870.0008388JASPAR
1874Nkx2-5400.000000160.0020942JASPAR
903Nkx2-5330.000310.0016168JASPAR
902Nkx2-5290.00130.0052396JASPAR
573Nkx2-5300.00220.022529JASPAR
2001Nkx2-5350.00410.00037664JASPAR
1816Nkx2-5330.0320.019671JASPAR
2322Nkx2-5280.0340.0011741JASPAR
933Nkx2-5300.0390.0051058JASPAR
138Nkx2-5140.0430.0091654JASPAR
1785Nkx2-5320.0610.0011695JASPAR
560Nkx2-5190.350.00010209JASPAR
2175Nkx2-5250.460.0013047JASPAR
1890Nkx2-5250.630.0016111JASPAR
1383Nkx2-5310.690.023595JASPAR
1631Nkx2-5250.830.013631JASPAR
756Nkx2-5210.930.033414JASPAR
2152Nkx2-5201.30.00087549JASPAR
2156Nkx2-5251.70.061824JASPAR