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. 2004 Oct;14(10a):1861–1869. doi: 10.1101/gr.2542904

Figure 1.

Figure 1

Results from Inverted Repeat Finder. (A) Distribution of arm lengths of human IRs detected by IRF, mean of 551 bp, median of 85 bp. Note the log scale on the x-axis. (B) Distribution of arm length (x-axis) by percent identity between arms (y-axis). The x-axes in A and B correspond for direct comparison. The “birdcrest” pattern observed resulted from limited ranges of percent identity values for the shortest most similar repeats, for example, 1/25 bp, 1/26 bp,..., 2/25 bp, 2/26 bp,.... As IR length increases, the pattern becomes less constrained. In all, 166 IRs had arm lengths ≥8000 bp (vertical line), of which 37 were on the X-chromosome and 18 on the Y-chromosome. (C) IRs detected by IRF that are ≥8000 bp, ≥95% identical, of which 27 are from the X-chromosome and 10 from the Y-chromosome. (D) Comparison on each human chromosome of percent total IRs (22,624), percent IRs ≥8 kb (166) detected by IRF, and percent IRs ≥8 kb after exclusion (96; see Supplemental S1). Values are compared to the percent of total assembled genome (3.07 × 109 bp) for each chromosome.