An Information Portal to 113971 Biological Macromolecular Structures


RCSB PDB Protein Comparison Tool


Structure alignment of custom protein chains.

Java Web Start - Custom Comparison

The custom comparison menu should automatically start using Java Web Start. If it does not, please click here:

Launch custom structure alignment menu.

If you are having problems launching Java Web Start applications, please view our troubleshooting Java Web Start page for more help.


Use the Workbench to select other proteins for comparison.

Align custom files (Launches a Java Web Start application).