In association with       a Protein-Protein interaction database                       

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PPO₄  A phosphoproteomic database is under construction, version 1.0 is coming soon

Click here for version 0.5  

Click here for in-house characterised phosphoproteomic data

The core of PPO₄  is a database of phosphorylation sites which are manually acquired through literature mining. These sites are then mapped across three species, human rat and mouse by comparative sequence analysis. Each site has a unique identifier which maps to entries in UniProt and PPID.

PPO₄ Utilities:

•  Reported sites/sites mapped to orthologs

• Cognate kinases/phosphatases and relevant functional information

• +15/-15 phosphorylation site consensus sequences for refined prediction of kinase substrate motifs.

• Virtual 2D map of all proteins in the database showing spot shifts due to phosphorylation, 1, 2, 3 etc no of phosphorylations

• Tryptic phosphopeptide mapping, MW PI and other biochemical characteristics

• Substrate/kinase interaction Maps