Protein phosphatase 2A: a highly regulated family of serine/threonine phosphatases implicated in cell growth and signalling

V Janssens, J Goris - Biochemical Journal, 2001 - portlandpress.com
Protein phosphatase 2A (PP2A) comprises a family of serine/threonine phosphatases,
minimally containing a well conserved catalytic subunit, the activity of which is highly …

Emerging roles of nuclear protein phosphatases

GBG Moorhead, L Trinkle-Mulcahy… - … reviews Molecular cell …, 2007 - nature.com
The phosphorylation state of any protein represents a balance of the actions of specific
protein kinases and protein phosphatases. Many protein phosphatases are highly enriched …

Ionic immune suppression within the tumour microenvironment limits T cell effector function

R Eil, SK Vodnala, D Clever, CA Klebanoff, M Sukumar… - Nature, 2016 - nature.com
Tumours progress despite being infiltrated by tumour-specific effector T cells. Tumours
contain areas of cellular necrosis, which are associated with poor survival in a variety of …

Crystal structure of a protein phosphatase 2A heterotrimeric holoenzyme

US Cho, W Xu - Nature, 2007 - nature.com
Abstract Protein phosphatase 2A (PP2A) is a principal Ser/Thr phosphatase, the
deregulation of which is associated with multiple human cancers, Alzheimer's disease and …

[HTML][HTML] The structure of the protein phosphatase 2A PR65/A subunit reveals the conformation of its 15 tandemly repeated HEAT motifs

MR Groves, N Hanlon, P Turowski, BA Hemmings… - Cell, 1999 - cell.com
The PR65/A subunit of protein phosphatase 2A serves as a scaffolding molecule to
coordinate the assembly of the catalytic subunit and a variable regulatory B subunit …

PP2A mRNA expression is quantitatively decreased in Alzheimer's disease hippocampus

V Vogelsberg-Ragaglia, T Schuck, JQ Trojanowski… - Experimental …, 2001 - Elsevier
Since abnormal tau phosphorylation may play a role in neurofibrillary tangle (NFT) formation
in aging and Alzheimer's disease (AD), we probed the distribution and abundance of protein …

Protein phosphatase 2A: the Trojan Horse of cellular signaling

E Sontag - Cellular signalling, 2001 - Elsevier
Dynamic phosphorylation and dephosphorylation of proteins are fundamental mechanisms
utilized by cells to transduce signals. Whereas transduction by protein kinases has been a …

Protein phosphatase 2A: a panoply of enzymes

DM Virshup - Current opinion in cell biology, 2000 - Elsevier
Protein phosphatase 2A describes an extended family of intracellular protein
serine/threonine phosphatases sharing a common catalytic subunit that regulates a variety …

Protein phosphatase 2A regulatory subunit B56α associates with c-Myc and negatively regulates c-Myc accumulation

HK Arnold, RC Sears - Molecular and cellular biology, 2006 - Taylor & Francis
Protein phosphatase 2A (PP2A) plays a prominent role in controlling accumulation of the
proto-oncoprotein c-Myc. PP2A mediates its effects on c-Myc by dephosphorylating a …

Organization and regulation of small conductance Ca2+-activated K+ channel multiprotein complexes

D Allen, B Fakler, J Maylie… - Journal of Neuroscience, 2007 - Soc Neuroscience
Small conductance Ca2+-activated K+ channels (SK channels) are complexes of four α pore-
forming subunits each bound by calmodulin (CaM) that mediate Ca2+ gating. Proteomic …