Ontology highlight
ABSTRACT:
INSTRUMENT(S): Orbitrap Fusion Lumos
ORGANISM(S): Mus Musculus (mouse)
TISSUE(S): Brain, Neuron
SUBMITTER: Roman Fedoryshchak
LAB HEAD: Richard Treisman
PROVIDER: PXD019882 | Pride | 2020-10-28
REPOSITORIES: Pride
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CorticalneuronsFeNTAenrichedMS2.raw | Raw | |||
CorticalneuronsTiO2enrichedMS2.raw | Raw | |||
Corticalneuronsfraction1MS2.raw | Raw | |||
Corticalneuronsfraction1MS3.raw | Raw | |||
Corticalneuronsfraction2MS2.raw | Raw |
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eLife 20200925
PPP-family phosphatases such as PP1 have little intrinsic specificity. Cofactors can target PP1 to substrates or subcellular locations, but it remains unclear how they might confer sequence-specificity on PP1. The cytoskeletal regulator Phactr1 is a neuronally enriched PP1 cofactor that is controlled by G-actin. Structural analysis showed that Phactr1 binding remodels PP1's hydrophobic groove, creating a new composite surface adjacent to the catalytic site. Using phosphoproteomics, we identified ...[more]