Additional file 4.

SNPs within S and IR subsequences from CRM1TR monomers at locus I and II. Nucleotides at 7 positions (representing 7 SNPs) within ā€˜Sā€™, and 8 positions (representing 7 SNPs and 1 in-del) within IR repeats of Fl-CRM1TR monomers from locus I (L1) (white background) and locus II (L2) (gray background) are shown. CRM1TR monomer names (IDs) are given in the leftmost column. Comparison of SNPs in the IR region from consensus sequences of locus I (L1_IR_consensus) and locus II (L2_IR*3_consensus) CRM1TR monomers and the two CRM1 elements (CRM1_ID1 and CRM1_ID2) with three IR copies (shown in yellow background) indicates that locus II monomers acquired three IR copies from existing CRM1B elements.

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Sharma et al. BMC Genomics 2013 14:142   doi:10.1186/1471-2164-14-142