Biochemical Activity (Dephosphorylation)

An interaction is inferred from the biochemical effect of one protein upon another, for example, GTP-GDP exchange activity or phosphorylation of a substrate by a kinase. The bait protein executes the activity on the substrate hit protein. A Modification value is recorded for interactions of this type with the possible values Phosphorylation, Ubiquitination, Sumoylation, Dephosphorylation, Methylation, Prenylation, Acetylation, Deubiquitination, Proteolytic Processing, Glucosylation, Nedd(Rub1)ylation, Deacetylation, No Modification, Demethylation.

Publication

Contributions of protein phosphatases PP1, PP2A, PP2B and PP5 to the regulation of tau phosphorylation.

Liu F, Grundke-Iqbal I, Iqbal K, Gong CX

Abnormal hyperphosphorylation of tau is believed to lead to neurofibrillary degeneration in Alzheimer's disease (AD) and other tauopathies. Recent studies have shown that protein phosphatases (PPs) PP1, PP2A, PP2B and PP5 dephosphorylate tau in vitro, but the exact role of each of these phosphatases in the regulation of site-specific phosphorylation of tau in the human brain was unknown. Hence, we ... [more]

Eur. J. Neurosci. Oct. 01, 2005; 22(8);1942-50 [Pubmed: 16262633]

Throughput

  • Low Throughput

Additional Notes

  • Catalytic subunit of PP1

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
MAPT PPP1CC
Proximity Label-MS
Proximity Label-MS

An interaction is inferred when a bait-enzyme fusion protein selectively modifies a vicinal protein with a diffusible reactive product, followed by affinity capture of the modified protein and identification by mass spectrometric methods.

High-BioGRID
3661181

Curated By

  • BioGRID