RaptorX Structure Alignment Server

For our structure prediciton server please visit RaptorX.

To see the status of a submitted job and download the results, please click here.

To download the software, please click download.

Please note that the number of protein structures to be aligned is currently limited to 25.

Email :
Type PDB code or upload coordinate file in PDB format
Specify residue range (Not required)
List of structures to be aligned

Please cite the following papers:
Sheng Wang, Jianzhu Ma, Jian Peng, & Jinbo Xu. Protein structure alignment beyond spatial proximity. Scientific Reports 3, 2013.
Sheng Wang, Jian Peng, & Jinbo Xu. Alignment of distantly related protein structures: algorithm, bound and implications to homology modeling. Bioinformatics 27, 2011.