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  • Interested in creating a custom multiplexed phosphosite assay?
  • No antibody available for your site?
  • Just want to know if phosphosites you are interested in are observable using mass spectrometry?

This portal provides access to an extensive and growing database of human phosphorylation sites and corresponding phosphopeptides that have been observed across hundreds of mass spectrometry-based phosphoproteomics discovery experiments. In addition to cataloging these sites we provide a tool for the rapid design and implementation of targeted phosphoproteomic assays. You can mix-and-match phosphosites from pre-assembled lists and/or select the phosphopeptides you are interested in.

Database

Experiments:
Phosphoproteins:
Phosphosites:
Phosphoisoforms:
Phosphopeptides:
Phospho-MS2:
438
11,428
109,611
151,074
228,882
7,643,667
Database composition
Browse phosphosites