Supplementary Table 4. Known sequence motifs Motif Abbrev Motif IVR VDJ CACAGTG-N12/23-ACAAAAACC VDJ-RSS7 Comments inverted repeats V(D)J joining signal Reference Lewis et al 1997 VDJ-RSS9 ERO WAWTTDDWWWDHWGWHMAWTT Translin-major Major: GCNCWSSW-N0-2-GCCCWSSW Translin-minor Minor: MTGCAG- N0-4-GCCCWSSW TopoII RNYNNCNNGYNGKTNYNY GTNWAYAYYNATNNG miniSatellite GGGCAGGARG SatIII YMCNTACSYCCKYYTNNC Chi GCWGGWGG SAR-A1 AATAAAYAAA SAR-A2 WADAWAYAWW SAR-T1 TTWTWTTWTT SAR-T2 TWWTDTTWWW MAR AATATTTTT PYR Y12 GAGA (GA)6 Eukaryotes replication origin sequence Translin binding site Dobbs et al 1994 Topoisomerase II binding site Broeker et al 1996; Spitzner & Muller 1988; Sander & Hsieh 1985 Human minisatellite core sequence Satellite III core Chi-like sequence Scaffold associated sequence (SAR) Wahls et al 1990 Matrix attachment sequence (MAR) Pyrimidine tract Cockerill and Garrad 1986; Cockerill et al 1987 Yamaguchi et al 1985; Suzuki et al 1993 Putative triple helices Caddle et al 1990; Lyamichev et al 1986; Wells 1988 Aoki et al, 1995 Kas & Laemmli 1992 Krowczynska et al 1990 Gasser et al 1989; Liebich et al 2002 ARS-Sc WTTTAYRTTTW PurI GGNNGAGGGAGARRRR unwind AATATATTT Autonomous Replication Sequence (S.cerevisiae) Pur I binding sequence core unwinding element Newlon et al 1991;Stinchcomb et al 1982 Bergemann & Johnson 1992 References (1) Aoki, K., Suzuki, K., Sugano, T., Tasaka, T., Nakahara, K., Kuge, O., Omori, A. and Kasai, M. 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Drosophila topoisomerase II double-strand DNA cleavage: analysis of DNA sequence homology at the cleavage site. Nucleic Acids Res 1985, 13, 1057-72. (16) Spitzner, J.R. and Muller, M.T. A consensus sequence for cleavage by vertebrate DNA topoisomerase II. Nucleic Acids Res 1988, 16, 5533-56. (17) Stinchcomb, D.T., Mann, C. and Davis, R.W. Centromeric DNA from Saccharomyces cerevisiae. J Mol Biol 1982, 158, 157-90. (18) Suzuki, M., Savoysky, E., Izuta, S., Tatebe, M., Okajima, T. and Yoshida, S. RNA priming coupled with DNA synthesis on natural template by calf thymus DNA polymerase alpha-primase. Biochemistry 1993, 32, 12782-92. (19) Wahls, W.P., Wallace, L.J., Moore, P.D. Hypervariable minisatellite DNA is a hotspot for homologous recombination in human cells. Cell 1990, 60, 95-103. (20) Wells, R.D. Unusual DNA structures. J Biol Chem 1988, 263, 1095-8. (21) Yamaguchi, M., Hendrickson, E.A. and DePamphilis, M.L. 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