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. Author manuscript; available in PMC: 2015 Mar 11.
Published in final edited form as: Am J Med Genet B Neuropsychiatr Genet. 2008 Jun 5;0(4):411–417. doi: 10.1002/ajmg.b.30755

Fig. 4.

Fig. 4

Localization of vertebrate/plant topoisomerase I consensus cleavage sites at rearrangement breakpoints. Topoisomerase I recognizes the following motifs: CAT, CTY, GTY, RAT. Sequence present on the derivative chromosome indicated by 8 bp long black bar. Topoisomerase I recognition site indicated by 3 bp long black bar. A: Topoisomerase I recognition site at chromosome 9 derivative breakpoint on chromosome 2. B: Topoisomerase I recognition site at chromosome 9 derivative breakpoint on chromosome 9. C: Topoisomerase I recognition site at chromosome 2 derivative breakpoint on chromosome 2. D: Topoisomerase I recognition site near chromosome 2 derivative breakpoint on chromosome 9.