PROTEOBASE: Open, Secure,
Public Repository for Proteomics Data

For proteomics researchers who need long-term free, secure storage and private or public sharing.

Browse Public Proteomics Data
Free Access • Login Required • No Fees
Create Free Account
Name + email only • Takes ~30s
Chorus User? Your data is already here →
37 TB+
Proteomics Data Stored

Free, secure storage, no fees for researchers

950+
Public Experiments

Public datasets available under CC0 or CC BY

390+
Public Projects

Chorus data preserved: all projects migrated to PROTEOBASE

3633+
Users

Community-driven: global collaboration and discovery

Why Choose Proteobase?

Built for Researchers

Built for Researchers

No fees. No ads. No vendor lock-in.

Secure Storage

Secure and Private Storage

Reliable data preservation and privacy control.

Public Datasets

Publish Public Datasets

CC0 or CC BY licensed data when ready to share openly.

Advanced Analysis

Optional Advanced Analysis

Visualization and end-to-end analysis powered by EuropaXp.

PROTEOBASE stays free and open. Advanced Analysis is 100% optional.

Chorus Users: Your Data is Already Here

  • NIH funding for Chorus has lapsed. EuropaDX has agreed to maintain Chorus data as a free community resource inside PROTEOBASE.
  • All Chorus datasets have been securely migrated to PROTEOBASE.
  • Chorus links automatically redirect to their new location within PROTEOBASE.
  • Chorus Users may log in using their Chorus email address.
Log In Learn more about the Chorus Migration →
Chorus to PROTEOBASE Migration

Optional Advanced Analysis

PROTEOBASE is powered by the which offers optional advanced capabilities such as interactive visualizations, end-to-end proteomics analysis, and multiomic integration.

PROTEOBASE will always remain free and open for data storage and sharing.

Advanced analysis is optional and does not affect data access or licensing.

EuropaXp Platform Screenshot