Review Article

PP2A-Mediated Anticancer Therapy

Table 1

Nomenclature of subunits of PP2A and the subcellular distribution.

SubunitGene nameGene locusIsoformsAliasesSubcellular distributionReferences

APPP2R1A19q13.14A PR65 Cytoplasm[1, 25, 54, 55]
PPP2R1B11q23.1A PR65 Cytoplasm[1, 13, 25, 54]

BPPP2R2A8p21.1B PR55 , B55 Cytoplasm, microtubules, neurofilaments, vimentin, membrane, nucleus, Golgi/reticulum[1, 25, 54]
PPP2R2B5q32B PR55 , B55 Cytosol[1, 25, 54, 56]
PPP2R2C4p16.1B PR55 , B55 Cytoskeletal fraction[1, 25, 54, 57]
PPP2R2D10q26.3B PR55 , B55 Cytosol[1, 25, 54]

B′PPP2R5A1q32.3B′ PR61 , B56 Cytoplasm[1, 25, 54]
PPP2R5B11q13.1B′ PR61 1, B56 , PR61 2Cytoplasm[1, 25, 54, 58]
PPP2R5C14q32.31B′ 1
B′ 2
B′ 3
PR61 1, B56 1, B′ 3
PR61 2, B56 2, B′ 2
B56 3, B′ 1
Cytoplasm, nucleus, focal
adhesion
[1, 25, 54]
PPP2R5D6p21.1B′ PR61 , B56 Cytosol, mitochondria, nucleus, microsomes[1, 25, 54]
PPP2R5E14q23.2B′ PR61 , B56 Cytoplasm[1, 25, 54]

B′′PPP2R3A3q22.1B′′ 1
B′′ 2
PR130
PR72
Centrosome and Golgi
Cytosol
[1, 25, 54, 59]
PPP2R3BXp22.33B′′ 1
B′′ 2
PR48
PR59
Nucleus[1, 25, 54]
PPP2R3CB′′ G5PRNucleus[1, 25, 54]

B′′′STRN2p22.2PR110, PR93Membrane and cytoplasm[1, 25, 54]
STRN314q12PR112, PR102,PR94nucleus[1, 25, 54]

CPPP2CA5q31.1C PP2A Cytoplasm and nucleus[1, 25, 54]
PPP2CB8p12C PP2A Cytoplasm and nucleus[1, 25, 54, 60]