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. Author manuscript; available in PMC: 2013 Apr 9.
Published in final edited form as: Nat Commun. 2012;3:1125. doi: 10.1038/ncomms2119

Table 2.

Statistical analysis of selected RNAs for binding PL-1, HL-1, HL-2 and DL-1.a

RNA All PL-1 HL-1 HL-2 DL-1
Zobs Zobs Zobs Zobs Zobs
1 6.63 5.52 6.35 4.76 3.90
2 −3.80 −2.34 −4.31 −3.03 −1.65
3 −5.12 −3.34 −3.27 −2.44 −3.27
p-value p value p-value p-value p-value
1 0.0001 0.0001 0.0001 0.0001 0.0001
2 0.0001 0.0193 0.0001 0.0024 0.0989
3 0.0001 0.0008 0.0011 0.0147 0.0011
a

A negative Zobs represents selection against a given interaction (for 2 and 3) whereas a positive Zobs represents selection for a given interaction (for 1). The p-values were computed from Zobs and describe the confidence in the selection for or against an RNA library.