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Gene Structure of SNC1 (At4g16890).
Exons (rectangles) and introns (lines) are drawn in proportion to their lengths. Exons encoding the TIR (exon 1), NB-ARC (exon 2), and LRR (exons 4 to 7) domains are indicated. The position of the G-to-A mutation in snc1 is indicated by the arrow. The two revertant mutations (snc1-r1 and snc1-r2) are shown as triangles.
