Table 5.

Impact of Normalization and Subtraction on Polyadenylation Tail and Signal






Polyadenylation signal
Library
Number of 3′ ESTs
Percentage tail
Tail length
Canonical
Alternative
None detected
Start 5832 77.43 27.15 84.39 7.32 8.28
Normalized 5437 80.30 25.1 77.28 10.65 12.07
BJ0p 4116 85.45 25 72.53 14.50 12.97
BJ1 8459 82.01 24 67.20 14.23 18.57
BJ2
5256
81.35
24
67.12
14.85
18.03