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Search the full COCαDA-web dataset by structure properties. Combine text search, the biological assembly flag and numeric ranges for residues, contacts, pH and each contact type.

PDB ID contains

One or more IDs, separated by comma or space.

Description contains

Biological assembly

Numeric ranges — drag each slider (from 0 to the maximum available):

Residues

0 9996

Contacts

0 100012

0 12

HB Hydrogen bond contacts:

0 33415

HY Hydrophobic contacts:

0 68553

AT Attractive contacts:

0 1158

RE Repulsive contacts:

0 1673

SB Salt bridge contacts:

0 1024

DS Disulfide bond contacts:

0 366

AS Aromatic stacking contacts:

0 278

uAT Uncertain attractive contacts:

0 749

uRE Uncertain repulsive contacts:

0 664

uSB Uncertain salt bridge contacts:

0 918

PDB ID	Description	Residues	Contacts	HB	HY	AT	RE	SB	DS	AS	uAT	uRE	uSB	pH	BA	PDB	Contacts file

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Download & filter the full dataset locally

The Download CSV button above exports the summary table for your current filters. To retrieve the actual contact/info files of the selected structures, download the complete database (hosted on Zenodo) and filter it locally — generating custom download packages on our server is too resource-intensive. The Download page always links to the most recent Zenodo release.

Run the script below in Google Colab or any local Python environment (requires pandas). It keeps only the entries matching the filters you selected above — click Apply filters to refresh it. The database folders are organized as pdb/<first_char>/<ID>/<ID>_contacts.csv (and _info.csv).