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. 2007 Apr 18;8:125. doi: 10.1186/1471-2105-8-125

Table 5.

RepeatMasker, STAR, Mreps, TRF and Sputnik detections between starting positions 532800 and 53500 in the human X chromosome.

start end divergence motif sequence
RepeatMasker
531688 531713 0 AAT AATAATAATAATAATAATAATAATAA
532355 532540 15.05 TTCC TTCCTTCCTCCCTTCCTTCCTTCCTTTCTTCTTTCTTTCTTTCCTTCCTTCCTGCTTTCCTTCCTTCC
TTTCTTTTCTTTCTTTCCTTCCTTCCTTGCTTCCTTCCTTCCATCTTTCTCTTTCTCTTTTTCTTTCT
TTCTCTCCTTCCTTCTTTCCTTCCTTCCTTCCCTTCCCTTCCTTCCTTCC
532704 532891 15.87 TTCC CCTTCCTTCCTTTCTTCTTTCTTTCCTTCCTTCCTTGCTTCCTTCCTTCCATCTTTCTTTCTTTCTTT
CTTCCTCTCCTTCCTTCTTTCCTTCCTTCCTTCCCTTCCCTCCTTCCTTTTTCTTCTTCTCTTTCTTT
CTTTCTCTTTCCTTCCTTCCTTCCTTCTTTCTCCTTCCTTCCTTCTTTCCTT
STAR
531688 531713 0 AAT AATAATAATAATAATAATAATAATAA
532537 532731 25.38 TTTTTC TTCCTTTTTCTTCTTCTCTTTCTTTCTTTCTTTTTCTTTCCTTCCTTCCTTCTTTCTCCTTCCTTCCT
TCCATTTTTCTTTCTTTCTTTCTTTCTTTCTCTCTCTCTCTTTCTTTCTTTCTCTCTCTCTCTTCTTC
CTTCCTTCCTTCCATTCTTCTTTCTTTCTTTCCTTCCTTCCTTTCTTCTTTCTTTCCTT
Mreps
531688 531715 3.45 AAT AATAATAATAATAATAATAATAATAAAA
532330 532429 15.84 TTCC TTTCCTTCTTTCTTTCTTACTTTCTTTCCTTCCTCCCTTCCTTCCTTCCTTTCTTCTTTCTTTCTTTC
CTTCCTTCCTGCTTTCCTTCCTTCCTTTCTTT
532428 532467 12.5 TTCC TTTCTTTCTTTCCTTCCTTCCTTGCTTCCTTCCTTCCATC
532466 532490 4 TTTCTC TCTTTCTCTTTCTCTTTTTCTTTCT
532491 532524 11.76 TTCC TTCTCTCCTTCCTTCTTTCCTTCCTTCCTTCCCT
532525 532542 5.56 TTCC TCCCTTCCTTCCTTCCTT
532551 532593 13.95 TTTC TCTCTTTCTTTCTTTCTTTTTCTTTCCTTCCTTCCTTCTTTCT
532593 532609 5.88 TTCC TCCTTCCTTCCTTCCAT
532609 532667 16.95 TC TTTTTCTTTCTTTCTTTCTTTCTTTCTCTCTCTCTCTTTCTTTCTTTCTCTCTCTCTCT
532667 532689 8.7 TTCC TTCTTCCTTCCTTCCTTCCATTC
532690 532756 11.94 TTCC TTCTTTCTTTCTTTCCTTCCTTCCTTTCTTCTTTCTTTCCTTCCTTCCTTGCTTCCTTCCTTCCATC
532755 532777 4.35 TTTC TCTTTCTTTCTTTCTTTCTTCCT
532776 532820 8.89 TTCC CTCTCCTTCCTTCTTTCCTTCCTTCCTTCCCTTCCCTCCTTCCTT
TRF {2,7,7;20}
531688 531713 0 AAT AATAATAATAATAATAATAATAATAA
532313 532330 5.26 TTTTC TTTTCTTTTCTTTCTTTT
532423 532438 5.88 TTTTC TTTCTTTTCTTTCTTT
532466 532490 4 TTTCTC TCTTTCTCTTTCTCTTTTTCTTTCT
532544 532553 0 TTC TTCTTCTTCT
532550 532576 13.79 TTTCTC TTCTCTTTCTTTCTTTCTTTTTCTTTC
532633 532667 8.57 TC TCTCTCTCTCTCTTTCTTTCTTTCTCTCTCTCTCT
Sputnik {1,-6,7}
531568 531576 0 ACC ACCACCACC
531688 531711 0 AAT AATAATAATAATAATAATAATAAT
531849 531856 0 TTGC CTTGCTTG
531893 531900 0 TG TGTGTGTG
531927 531934 0 ATGC TGCATGCA
532078 532085 0 AGGC GCAGGCAG
532266 532273 0 ATGC TGCATGCA
532313 532322 0 TTTTC TTTTCTTTTC
532335 532354 5 TTTC TTCTTTCTTTCTTACTTTCT
532355 532422 10.29 TTCC TTCCTTCCTCCCTTCCTTCCTTCCTTTCTTCTTTCTTTCTTTCCTTCCTTCCTGCTTTCCTTCCTTCC
532423 532439 5.88 TTTC TTTCTTTTCTTTCTTTC
532440 532463 4.17 TTCC CTTCCTTCCTTGCTTCCTTCCTTC
532466 532489 4.17 TTTCTC TCTTTCTCTTTCTCTTTTTCTTTC
532500 532541 7.14 TTCC TCCTTCTTTCCTTCCTTCCTTCCCTTCCCTTCCTTCCTTCCT
532544 532552 0 TTC TTCTTCTTC
532553 532568 0 TTTC TCTTTCTTTCTTTCTT
532569 532576 0 TTTC TTTCTTTC
532577 532588 0 TTCC CTTCCTTCCTTC
532596 532607 0 TTCC TTCCTTCCTTCC
532615 532656 7.14 TTTC TTTCTTTCTTTCTTTCTTTCTCTCTCTCTCTTTCTTTCTTTC
532657 532666 0 TC TCTCTCTCTC
532669 532684 0 TTCC CTTCCTTCCTTCCTTC
532687 532692 0 TTC TTCTTC
532693 532704 0 TTTC TTTCTTTCTTTC
532705 532752 8.33 TTCC CTTCCTTCCTTTCTTCTTTCTTTCCTTCCTTCCTTGCTTCCTTCCTTC
532755 532774 0 TTTC TCTTTCTTTCTTTCTTTCTT
532780 532820 7.32 TTCC CCTTCCTTCTTTCCTTCCTTCCTTCCCTTCCCTCCTTCCTT

Resolution of Mreps was set to 1, threshold alignment score of TRF to 20 and alignment weights of TRF to {2,7,7}. Sputnik mismatch penalty and validation score were set to -6 and 7, respectively. The number of detections varies with algorithms (from 3 to 18). Moreover, the sequence information is dealt with in different ways; an example is the region of cryptic simplicity between positions 532815 and 533080. RepeatMasker and STAR decompose it into large, distant and highly imperfect detections, though not the same for the two algorithms. Mreps returns a succession of shorter detections, overlapping the whole region. TRF detects only short, not much divergent, subregions, which do not completely overlap with the whole region. Sputnik detections are very numerous, short and slightly divergent, but overlap the whole region. Detection of compound microsatellites by Mreps is illustrated at position 533706, where other algorithms detect only a perfect polyA strech. The detection at position 534186 is returned as two detections by Mreps, because the two consecutive errors (insertions of G and C) stop the detection when resolution is set to 1. Very short hexanucleotides (12 bp) are detected by both TRF and Sputnik at positions 533138 and 534112. Most detections of Sputnik are two-repeat tetranucleotides, or three-repeat trinucleotides, which cannot be detected by other algorithms.

HHS Vulnerability Disclosure