piRNABank is a web analysis system and resource, which provides comprehensive information on piRNAs in the three widely studied mammals namely Human, Mouse, Rat and one fruit fly, Drosophila. It compiles all the possible clusters of piRNAs and also depicts piRNAs along with the associated genomic elements like genes and repeats on a genome wide map. Search options have been designed to query and obtain useful data from this online resource.

piRNABank provides the following features:


piRNABank Version 1

Drosophila melanogaster data is now available in piRNABank.

Website best viewed at 1024 X 768 resolution in Mozilla Firefox.

Number of visitors

Website Hit Counters

Recent info on piRNA


Please cite the following article if you utilise any data from this web resource:
"piRNABank: a web resource on classified and clustered Piwi-interacting RNAs"
Sai Lakshmi S, Shipra Agrawal
Nucleic Acids Research 2008 January; 36 (Database issue): D173–D177.  [PMCID: PMC2238943]   (Citations)

   Copyright of Institute of Bioinformatics and Applied Biotechnology (IBAB), Bangalore, India
  Disclaimer: piRNABank is freely available for academic purpose. For commercial use, please contact