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. 1998 Apr 28;95(9):5094–5099. doi: 10.1073/pnas.95.9.5094

Figure 1.

Figure 1

χ2 values for the excess of intron positions inside the boundary regions as a function of module diameter. The major peaks are around 21, 27, and 33 Å. The 988 intron positions were drawn from release 101 of GenBank.