[HTML][HTML] Emerging Roles of B56 Phosphorylation and Binding Motif in PP2A-B56 Holoenzyme Biological Function

Y Zhang, H Jiang, H Yin, X Zhao, Y Zhang - International Journal of …, 2024 - mdpi.com
Protein serine/threonine phosphatase 2A (PP2A) regulates diverse cellular processes via
the formation of~ 100 heterotrimeric holoenzymes. However, a scarcity of knowledge on …

Regulation and role of the PP2A-B56 holoenzyme family in cancer

I Peris, S Romero-Murillo, C Vicente, G Narla… - … et Biophysica Acta (BBA …, 2023 - Elsevier
Abstract Protein phosphatase 2A (PP2A) inactivation is common in cancer, leading to
sustained activation of pro-survival and growth-promoting pathways. PP2A consists of a …

Functions of B56-containing PP2As in major developmental and cancer signaling pathways

J Yang, C Phiel - Life sciences, 2010 - Elsevier
Members of the B′/B56/PR61 family regulatory subunits of PP2A determine the subcellular
localization, substrate specificity, and catalytic activity of PP2A in a wide range of biological …

[HTML][HTML] Extended regulation interface coupled to the allosteric network and disease mutations in the PP2A-B56δ holoenzyme

CG Wu, VK Balakrishnan, PS Parihar, K Konovolov… - bioRxiv, 2023 - ncbi.nlm.nih.gov
An increasing number of mutations associated with devastating human diseases are
diagnosed by whole-genome/exon sequencing. Recurrent de novo missense mutations …

PP2A holoenzymes, substrate specificity driving cellular functions and deregulation in cancer

H Fowle, Z Zhao, X Graña - Advances in Cancer Research, 2019 - Elsevier
PP2A is a highly conserved eukaryotic serine/threonine protein phosphatase of the PPP
family of phosphatases with fundamental cellular functions. In cells, PP2A targets specific …

[HTML][HTML] A conserved motif provides binding specificity to the PP2A-B56 phosphatase

EPT Hertz, T Kruse, NE Davey, B Lopez-Mendez… - Molecular cell, 2016 - cell.com
Dynamic protein phosphorylation is a fundamental mechanism regulating biological
processes in all organisms. Protein phosphatase 2A (PP2A) is the main source of …

ATM-mediated phosphorylation activates the tumor-suppressive function of B56γ–PP2A

GP Shouse, Y Nobumori, MJ Panowicz, X Liu - Oncogene, 2011 - nature.com
Abstract Protein phosphatase 2A (PP2A) is a family of heterotrimeric protein phosphatases
that has a multitude of functions inside the cell, acting through various substrate targets in …

[HTML][HTML] PP2A-B55 holoenzyme regulation and cancer

P Goguet-Rubio, P Amin, S Awal, S Vigneron… - Biomolecules, 2020 - mdpi.com
Protein phosphorylation is a post-translational modification essential for the control of the
activity of most enzymes in the cell. This protein modification results from a fine-tuned …

PP2A-B55: substrates and regulators in the control of cellular functions

P Amin, S Awal, S Vigneron, S Roque, F Mechali… - Oncogene, 2022 - nature.com
PP2A is a major serine/threonine phosphatase class involved in the regulation of cell
signaling through the removal of protein phosphorylation. This class of phosphatases is …

Isolation and characterization of PP2A holoenzymes containing FLAG-tagged B subunits

DG Adams, BE Wadzinski - Protein Phosphatase Protocols, 2007 - Springer
Protein serine/threonine phosphatase 2A (PP2A) is a major cellular enzyme implicated in
the control of a wide variety of biological processes. The predominant form of PP2A in cells …