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. Author manuscript; available in PMC: 2015 Jun 13.
Published in final edited form as: Gene. 2011 Jul 28;487(1):29–37. doi: 10.1016/j.gene.2011.07.022

Table 1. Observed (O) and expected (E) occurrences of perfect poly-dinucleotide repeats of lenght (l) 6≤l≤14 in the coding strands of the Tritryp genomes.

T. brucei T. cruzi L. major
l=6nt E O E O E O
AA 7367 2011 10166 3666 1736 540
AC 9943 692 22588 1401 11249 1313
AG 9816 744 22357 1740 10979 899
AT 15127 1019 20176 1238 3642 276
CC 3357 522 12548 884 18353 1559
CG 6629 293 24839 859 35818 2247
CT 10240 829 22466 2701 11817 2441
GG 3272 586 12292 1836 17476 843
GT 10110 1148 22235 3063 11533 2046
TT 7816 2735 10056 7751 1915 1432
Total 83678 10579 179723 25139 124517 13596
l=7nt E O E O E O
AA 1963 3766 2499 6847 347 1196
AC 2485 290 5655 991 2847 837
AG 2449 274 5587 736 2763 438
AT 4114 457 5012 831 738 221
CC 781 423 3198 605 5503 908
CG 1539 111 6320 222 10695 1042
CT 2574 338 5620 1194 3009 1444
GG 758 526 3122 1371 5196 673
GT 2537 582 5552 2086 2920 1324
TT 2104 4927 2467 13817 389 3050
Total 21305 11694 45032 28700 34408 11133
l=8nt E O E O E O
AA 523 2194 614 2671 69 677
AC 616 754 1415 4175 674 1591
AG 606 642 1396 2117 652 1045
AT 1039 884 1174 1276 144 274
CC 182 159 815 161 1650 819
CG 357 268 1608 389 3193 2974
CT 641 605 1405 1868 720 3768
GG 176 230 793 355 1545 580
TG 630 1488 1385 4680 696 2617
TT 566 3133 605 5992 79 1803
Total 5337 10357 11210 23684 9422 16148
l=9nt E O E O E O
AA 139 1868 151 1687 14 767
AC 154 272 354 2580 171 861
AG 151 203 349 694 164 509
AT 341 313 345 600 33 119
CC 42 161 208 74 495 1464
CG 83 81 409 275 954 1249
CT 161 214 351 1374 183 1695
GG 41 259 201 184 459 712
GT 158 624 346 4237 176 1238
TT 152 3035 149 4286 16 2156
Total 1424 7030 2864 15991 2666 10770
l=10nt E O E O E O
AA 37 1264 37 1172 3 477
AC 38 109 89 1206 40 335
AG 37 71 87 324 39 227
AT 29 224 28 521 2 81
CC 10 184 53 61 148 1356
CG 19 27 104 27 285 552
CT 40 69 88 295 44 768
GG 9 285 51 147 136 640
GT 39 255 86 1526 42 525
TT 41 2247 36 3129 3 1440
Total 300 4735 659 8408 742 6401
T. brucei T. cruzi L. major
l=11nt E O E O E O
AA 10 768 9 862 1 176
AC 10 107 22 615 10 313
AG 9 50 22 203 10 133
AT 21 119 18 375 1 81
CC 2 86 14 48 45 731
CG 4 5 27 9 85 226
CT 10 52 22 453 11 508
GG 2 159 13 109 41 324
GT 10 165 22 2283 11 405
TT 11 1417 9 2287 1 641
Total 90 2928 177 7244 215 3538
l=12nt E O E O E O
AA 3 427 2 674 0 76
AC 2 42 6 478 2 203
AG 2 30 5 147 2 112
AT 6 127 4 331 0 55
CC 1 62 3 37 13 288
CG 1 0 7 0 25 85
CT 3 33 5 121 3 359
GG 1 76 3 109 12 136
GT 2 102 5 619 2 308
TT 3 948 2 1965 0 286
Total 23 1847 44 4481 61 1908
l=13nt E O E O E O
AA 1 227 1 644 0 15
AC 1 54 1 242 1 281
AG 1 28 1 132 1 122
AT 2 91 1 295 0 110
CC 0 43 1 41 4 136
CG 0 0 2 2 8 51
CT 1 37 1 376 1 386
GG 0 41 1 92 4 69
GT 1 118 2 866 1 319
TT 1 496 1 1635 0 96
Total 6 1847 11 4325 18 1585
l=14nt E O E O E O
AA 0 102 0 66 0 12
AC 0 27 0 27 0 169
AG 0 28 0 26 0 85
AT 0 121 0 89 0 103
CC 0 20 0 1 1 88
CG 0 0 0 0 2 8
CT 0 34 0 16 0 369
GG 0 16 0 0 1 34
GT 0 81 0 78 0 311
TT 0 209 0 217 0 38
Total 1 429 2 303 5 1179

The values are not significant deviated from serendipity (X2 test p<0.001) are highlighted.