The web server for KnotSeeker can be used for pseudoknot detection over the internet. All the files mentioned below can also be downloaded from there.
Please read the README file for details of installing KnotSeeker and other associated programs required for running KnotSeeker correctly.
This zip file contains the Python code for KnotSeeker and many data files in the FASTA format.
This is the python script for KnotSeeker. This script is also bundled in the zip file mentioned above.
Reference
J. Sperschneider and A. Datta. KnotSeeker: Heuristic pseudoknot detection in long RNA sequences. RNA. 2008; 14(4): 630-40.
Jana Sperschneider
Amitava Datta
January, 2008