Abundance of perfect and imperfect trinucleotide repeats in chimpanzee chromosome X

ALLCODINGINTRONINTERGENIC
perfectimperfectperfectimperfectperfectimperfectperfectimperfect
TLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMb
aac 24594 1587150.049.68 36650 1561223.589.52 24 222.331.86 27 225.121.86 4794 308138.308.88 7077 301204.168.68 18813 1218146.779.50 28098 1200219.219.36
aag 7236 46944.142.86 14089 38685.952.35 162 13150.7012.09 221 13205.5912.09 1335 9038.512.60 2105 8260.732.37 5019 32239.162.51 10124 26178.982.04
aat 37110 2418226.3914.75 55761 2340340.1714.28 12 111.160.93 12 111.160.93 7866 505226.9214.57 11410 485329.1513.99 27516 1799214.6614.04 41892 1743326.8213.60
acc 5559 41633.912.54 8121 40849.542.49 93 786.516.51 113 7105.126.51 1335 9938.512.86 2339 9567.472.74 3789 28429.562.22 5168 28040.322.18
acg 51 40.310.02 63 30.380.02 27 225.121.86 30 127.910.93 24 20.690.06 33 20.950.06 0 00.000.00 0 00.000.00
act 1890 12311.530.75 3372 11620.570.71 12 111.160.93 12 111.160.93 672 4519.391.30 1163 4133.551.18 1170 749.130.58 2079 7116.220.55
agc 5097 36431.092.22 7082 35143.202.14 171 13159.0712.09 330 12306.9811.16 1242 8835.832.54 1727 8249.822.37 3294 23625.701.84 4455 23034.761.79
agg 6690 50540.813.08 14180 45486.502.77 414 29385.1226.98 842 25783.2723.26 1434 11041.373.17 2936 10384.702.97 4458 33934.782.65 9760 30076.142.34
atc 5799 38235.382.33 10834 35766.092.18 108 8100.477.44 171 8159.077.44 1455 9641.972.77 2472 9271.312.65 4032 26531.452.07 7879 24461.471.90
ccg 1614 989.850.60 3408 8420.790.51 333 22309.7720.47 541 21503.2719.54 381 2010.990.58 736 1321.230.38 765 475.970.37 1880 4114.670.32
TL: total length of repeats in class; TN: total number of repeats in class;
LPMb: length per megabase of repeats in class; NPMb: number of repeats in class per megabase

Statistical analysis (contingency test results)

Data points with the smallest value were exluded iteratively until all remaining data contributes more than 5% of the total. Data sets were normalized to 100%

FeatureProbabilityChiSquareDegrees of freedomused / all data pointsExcluded repeats
All sequences
length per megabase0.9780.78656 / 10 acg, act, agc, ccg
number per megabase1.0000.11267 / 10 acg, act, ccg
Coding regions
length per megabase0.9331.31756 / 10 aac, aat, acg, act
number per megabase0.9990.17756 / 10 aac, aat, acg, act
Introns
length per megabase0.9970.56667 / 10 acg, act, ccg
number per megabase1.0000.01867 / 10 acg, act, ccg
Intergenic regions
length per megabase0.9660.95756 / 10 acg, act, agc, ccg
number per megabase1.0000.13667 / 10 acg, act, ccg