Abundance of perfect and imperfect trinucleotide repeats in human chromosome 9

ALLCODINGINTRONINTERGENIC
perfectimperfectperfectimperfectperfectimperfectperfectimperfect
TLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMbTLTNLPMbNPMb
aac 22182 1423188.5912.10 32549 1396276.7411.87 12 18.890.74 14 110.370.74 6522 410183.0711.51 9604 402269.5811.28 13965 907173.1811.25 20529 890254.5711.04
aag 6594 43656.063.71 15928 371135.423.15 183 14135.5110.37 351 13259.919.63 1488 11141.773.12 3611 94101.362.64 4494 28155.733.48 10990 235136.282.91
aat 36468 2340310.0619.89 53437 2274454.3319.33 0 00.000.00 0 00.000.00 10479 667294.1418.72 15092 647423.6318.16 23337 1499289.3918.59 34456 1460427.2818.11
acc 6255 45753.183.88 12602 396107.143.37 174 13128.849.63 291 13215.489.63 2259 16963.414.74 5859 124164.463.48 3354 24041.592.98 5633 22869.852.83
acg 12 10.100.01 15 10.130.01 12 18.890.74 15 111.110.74 0 00.000.00 0 00.000.00 0 00.000.00 0 00.000.00
act 1071 759.110.64 2298 6919.540.59 12 18.890.74 12 18.890.74 414 2811.620.79 702 2819.700.79 531 396.580.48 1419 3517.600.43
agc 5376 39245.713.33 6927 38558.903.27 618 43457.6231.84 967 37716.0527.40 1686 12947.333.62 2124 12959.623.62 2586 18332.072.27 3242 18240.202.26
agg 8331 62370.835.30 17949 546152.614.64 447 33331.0024.44 856 29633.8521.47 2562 19471.915.45 4961 178139.255.00 4467 33455.394.14 10417 287129.183.56
atc 5298 34145.052.90 11335 32496.372.75 207 10153.287.41 354 10262.137.41 1605 10245.052.86 2705 9775.932.72 3039 20037.692.48 7610 18894.372.33
ccg 2637 18122.421.54 8103 16768.891.42 402 28297.6720.73 978 27724.1919.99 318 238.930.65 726 2220.380.62 1311 8916.261.10 5093 7863.160.97
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 megabase0.8661.87956 / 10 acg, act, agc, ccg
number per megabase1.0000.13167 / 10 acg, act, ccg
Coding regions
length per megabase0.9331.32056 / 10 aac, aat, acg, act
number per megabase0.9990.17156 / 10 aac, aat, acg, act
Introns
length per megabase0.8032.32356 / 10 acg, act, agc, ccg
number per megabase0.9990.34667 / 10 acg, act, ccg
Intergenic regions
length per megabase0.7982.35956 / 10 acg, act, agc, ccg
number per megabase1.0000.13467 / 10 acg, act, ccg