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Figure 1 | Biology Direct

Figure 1

From: Surprisingly high number of Twintrons in vertebrates

Figure 1

Schematic representation of a twintron. In most cases a set of splicing sites for a one type of spliceosome is nested in a set of splicing signals of another type of spliceosome (major cartoon). However, in a number of cases the splicing signals of the two spliceosomes are shifted, i.e. both 5 and 3 splicing signals of one spliceosome lay upstream of splicing singlas of another spliceosome (imbedded cartoon).

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