Table 1.

The Performance of Complexity Reduction for CRASA

	No. of CRASA matches
Matching length	Matched fragments
≥20 bp	367,359,815
≥30 bp	37,801,885
≥40 bp	4,717,948
≥50 bp	835,533
No. of ESTs (cach matched   fragment ≥50 bp)	Matched ESTs
No. of fragments per EST ≥1	109,102
No. of fragments per EST ≥2	65,817
No. of fragments per EST ≥3	48,268
After removing repetitive elements	2880
No. of patched fragments per EST ≥3	1681
After removing the fragment   in inconsistent order	515

The query sequence is human Chromosome 21 (∼34 Mb).