Abundance of perfect and imperfect trinucleotide repeats in chimpanzee chromosome 17

ALLCODINGINTRONINTERGENIC
perfectimperfectperfectimperfectperfectimperfectperfectimperfect
TLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMb
aac 16191 1017194.7912.23 23799 1001286.3212.04 12 16.350.53 12 16.350.53 6480 403200.5712.47 9420 402291.5812.44 8688 547177.5811.18 12890 532263.4710.87
aag 4782 29657.533.56 10282 253123.703.04 159 1384.196.88 310 13164.156.88 1644 10350.893.19 3323 91102.862.82 2736 16255.923.31 6202 133126.772.72
aat 23652 1453284.5617.48 33945 1401408.3916.86 12 16.350.53 12 16.350.53 8808 535272.6316.56 12680 517392.4816.00 13251 818270.8516.72 18895 792386.2116.19
acc 4203 30850.573.71 8428 288101.403.46 150 1179.435.83 216 10114.385.29 1773 12954.883.99 2979 12792.213.93 1962 14840.103.02 4427 13290.492.70
acg 90 71.080.08 102 71.230.08 39 320.651.59 48 325.421.59 24 20.740.06 24 20.740.06 12 10.240.02 12 10.240.02
act 675 478.120.56 1392 4416.750.53 0 00.000.00 0 00.000.00 300 219.290.65 758 1823.460.56 288 205.890.41 538 2011.000.41
agc 5004 36260.204.36 6666 35680.204.28 864 65457.5034.42 1481 60784.2131.77 1725 12753.393.93 2037 12663.053.90 1959 14240.042.90 2486 14250.812.90
agg 8109 61697.567.41 15663 571188.446.87 525 38278.0020.12 1045 35553.3418.53 2892 21989.526.78 4533 203140.316.28 4134 31584.506.44 9060 291185.195.95
atc 3837 25146.163.02 6739 21781.082.61 168 1388.966.88 240 12127.086.35 1314 9040.672.79 2399 7674.262.35 2073 13042.372.66 3620 11573.992.35
ccg 2583 17831.082.14 6613 16479.561.97 540 41285.9421.71 1001 39530.0420.65 669 4420.711.36 1772 3754.851.15 1104 7322.571.49 3259 6966.611.41
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 megabase0.9761.21567 / 10 acg, act, ccg
number per megabase1.0000.09067 / 10 acg, act, ccg
Coding regions
length per megabase0.9920.49256 / 10 aac, aat, acg, act
number per megabase1.0000.02856 / 10 aac, aat, acg, act
Introns
length per megabase0.9940.72767 / 10 acg, act, ccg
number per megabase1.0000.05656 / 10 acg, act, atc, ccg
Intergenic regions
length per megabase0.8581.93656 / 10 acg, act, agc, ccg
number per megabase1.0000.12467 / 10 acg, act, ccg