| Subunit | Gene name | Gene locus | Isoforms | Aliases | Subcellular distribution | References |
| A | PPP2R1A | 19q13.14 | A | PR65 | Cytoplasm | [1, 25, 54, 55] | PPP2R1B | 11q23.1 | A | PR65 | Cytoplasm | [1, 13, 25, 54] |
| B | PPP2R2A | 8p21.1 | B | PR55, B55 | Cytoplasm, microtubules, neurofilaments, vimentin, membrane, nucleus, Golgi/reticulum | [1, 25, 54] | PPP2R2B | 5q32 | B | PR55, B55 | Cytosol | [1, 25, 54, 56] | PPP2R2C | 4p16.1 | B | PR55, B55 | Cytoskeletal fraction | [1, 25, 54, 57] | PPP2R2D | 10q26.3 | B | PR55, B55 | Cytosol | [1, 25, 54] |
| B′ | PPP2R5A | 1q32.3 | B′ | PR61, B56 | Cytoplasm | [1, 25, 54] | PPP2R5B | 11q13.1 | B′ | PR611, B56, PR612 | Cytoplasm | [1, 25, 54, 58] | PPP2R5C | 14q32.31 | B′1 B′2 B′3 | PR611, B561, B′3 PR612, B562, B′2 B563, B′1 | Cytoplasm, nucleus, focal adhesion | [1, 25, 54] | PPP2R5D | 6p21.1 | B′ | PR61, B56 | Cytosol, mitochondria, nucleus, microsomes | [1, 25, 54] | PPP2R5E | 14q23.2 | B′ | PR61, B56 | Cytoplasm | [1, 25, 54] |
| B′′ | PPP2R3A | 3q22.1 | B′′1 B′′2 | PR130 PR72 | Centrosome and Golgi Cytosol | [1, 25, 54, 59] | PPP2R3B | Xp22.33 | B′′1 B′′2 | PR48 PR59 | Nucleus | [1, 25, 54] | PPP2R3C | | B′′ | G5PR | Nucleus | [1, 25, 54] |
| B′′′ | STRN | 2p22.2 | | PR110, PR93 | Membrane and cytoplasm | [1, 25, 54] | STRN3 | 14q12 | | PR112, PR102,PR94 | nucleus | [1, 25, 54] |
| C | PPP2CA | 5q31.1 | C | PP2A | Cytoplasm and nucleus | [1, 25, 54] | PPP2CB | 8p12 | C | PP2A | Cytoplasm and nucleus | [1, 25, 54, 60] |
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