Table 1. Shannon entropy of the known ncRNAs among top candidates predicted by Multifind, LocARNATE+RNAz and RNAz.

	mean Shannon entropy
	Discovered by Multifind	Discovered by RNAz	Discovered by Locarnate+RNAz
E. coli (TP in top 500)	0.26±0.16	0.17±0.14	0.28±0.14
S. coelicolor (TP in top 100)	0.34±0.13	0.34±0.13	0.35±0.12
S. cerevasiae (TP in top 500)	0.22±0.15	0.12±0.13	0.22±0.15