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. 2009 Jan 15;5(2):97–117. doi: 10.7150/ijbs.5.97

Figure 4.

Figure 4

Schematic diagram to depict differences between mirtron and canonical miRNA generation. Introns that assume foldback structures are recognized and cleaved by DROSHA. These stem-loop lariats are then acted upon by Lariat debranching enzyme that cleaves the phosphor-diester bond formed during splicing event. The pri- miR thus formed joins the mainstream miRNA flux, before making exit to cytoplasm.