Select an input file (Windows .csv format)
In this example file rows
correspond to different nucleotide structures, while columns represent
dihedral angles.
It is a standard type of input if considering data
points as molecular structures.
Software examples for obtaining
dihedral angles:
Biopython (general, Python required) Bio3D (general, R required) Torsions (proteins, single pdb as an input): StrucTools (proteins, single pdb as an input) AMIGOS (RNA, Perl required)
Please be prepared to wait a few minutes for output depending on the size of the dataset and the load on the server.
After starting the upload process do not navigate away from this page as it will automatically take you to the results download page
It is necessary to upload properly prepared files (in Windows .csv format), with no special characters included. We plan to add support for other formats in future.
Citation: Karen Sargsyan, Jon Wright, Carmay Lim, "GeoPCA: a new tool for multivariate analysis of dihedral angles based on principal component geodesics" Nucl. Acids Res. (2012) 40 (3): e25.
Python scripts for spherical and linear K-means