Upload your structure file here

This program searches the Protein Data Bank for entries that have a unit cell similar to your input file.
Only the cell parameters are compared to each published structure. See example output

Upload PDB file with CRYST1 record. Molecular weight is determined from pdb file content.
Or enter cell parameters here:
Cell Parameters: a b c α β γ

Space Group It is not required or used as a filter, just for visual comparison only.

Molecular Weight: Molecular weight is not used as a filter in the search, just for visual comparison.
Number of amino acids:

saves @2019 - DOE-MBI ServicesUsage
Contact: holton at for any questions