Abundance of perfect and imperfect trinucleotide repeats in chimpanzee chromosome 2B

ALLCODINGINTRONINTERGENIC
perfectimperfectperfectimperfectperfectimperfectperfectimperfect
TLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMb
aac 24714 1575177.7911.33 36158 1548260.1211.14 12 19.030.75 12 19.030.75 7194 457179.4211.40 10338 449257.8411.20 16386 1043167.9210.69 24146 1025247.4510.50
aag 7590 48254.603.47 14153 419101.823.01 219 17164.8412.80 341 16256.6712.04 1857 12746.313.17 3406 10984.952.72 5283 32054.143.28 10133 276103.842.83
aat 35307 2348254.0016.89 53480 2292384.7416.49 12 19.030.75 12 19.030.75 10611 691264.6517.23 15520 676387.0816.86 23277 1561238.5416.00 35874 1520367.6315.58
acc 5076 37136.522.67 8720 35562.732.55 36 327.102.26 99 374.522.26 1620 11540.402.87 2736 11268.242.79 3093 22831.702.34 5400 21555.342.20
acg 54 40.390.03 67 40.480.03 0 00.000.00 0 00.000.00 15 10.370.03 15 10.370.03 27 20.280.02 37 20.380.02
act 1434 9810.320.70 2338 9216.820.66 0 00.000.00 0 00.000.00 408 2910.180.72 795 2619.830.65 939 629.620.64 1384 5914.180.60
agc 5109 36936.752.65 6835 36549.172.63 495 37372.5827.85 847 34637.5325.59 1152 8628.732.15 1524 8638.012.15 3006 21830.802.23 3902 21739.992.22
agg 7635 57754.934.15 15665 528112.693.80 237 19178.3914.30 330 18248.3913.55 2442 17860.914.44 5000 160124.703.99 4506 34646.183.55 9396 31996.293.27
atc 4971 32535.762.34 8409 30160.492.17 159 13119.689.79 312 13234.849.79 1533 10138.232.52 2635 9065.722.25 3150 20332.282.08 5228 19153.581.96
ccg 1734 11812.470.85 4814 11034.630.79 480 33361.2924.84 1473 291108.7121.83 459 3011.450.75 1302 2732.470.67 621 436.360.44 1724 4217.670.43
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 megabase0.9870.62156 / 10 acg, act, agc, ccg
number per megabase1.0000.06767 / 10 acg, act, ccg
Coding regions
length per megabase0.3104.78645 / 10 aac, aat, acc, acg, act
number per megabase0.9990.07745 / 10 aac, aat, acc, acg, act
Introns
length per megabase0.9810.73656 / 10 acg, act, agc, ccg
number per megabase1.0000.09956 / 10 acg, act, agc, ccg
Intergenic regions
length per megabase0.9860.63356 / 10 acg, act, agc, ccg
number per megabase1.0000.06967 / 10 acg, act, ccg