Table 1.

Summary of the RNAi-related software prediction tools and their websites.

Prediction tools	Website
Hairpins prediction for miRNA
miRscan	http://genes.mit.edu/mirscan/
miRAlign	http://bioinfo.au.tsinghua.edu.cn/miralign/
Srnaloop	http://arep.med.harvard.edu/miRNA/pgmlicense.html
miRseeker	http://tinyurl.com/mirseeker
Triplet-SVM	http://bioinfo.au.tsinghua.edu.cn/software/mirnasvm/
Viral miRNA prediction servers
Virgo	http://miracle.igib.res.in/virgo/
VirMir	http://140.109.42.4/
Secondary structures of single stranded RNA or DNA sequences
RNAfold	http://rna.tbi.univie.ac.at
Target prediction
miRanda	http://www.microrna.org/microrna/home.do
TargetScan	http://www.targetscan.org/
PicTar	http://pictar.mdc-berlin.de/
RNAhybrid	http://bibiserv.techfak.unibielefeld.de/rnahybrid/
PITA	http://genie.weizmann.ac.il/pubs/mir07/mir07_prediction.html