Table 1.
Human phosphoprotein phosphatase (PPP) catalytic, regulatory, and scaffolding subunit genes and their isoforms.
| PPP catalytic subunit genes | Regulatory genes | Scaffold genes | |||
|---|---|---|---|---|---|
| Family | Isoforms | Family | Isoforms | Family | Isoforms |
| Protein phosphatase 1 (PPP1C) | PPP1CA PPP1CB PPP1CG |
>200 | None | ||
| Protein phosphatase 2A (PPP2C) | PPP2CA PPP2CB |
B (B55) B′ (B56) B″ (B72) B‴ (Striatin) |
PPP2R2A (B55α) PPP2R2B (B55β) PPP2R2C (B55γ) PPP2R2D (B55δ) PPP2R5A (B56α) PPP2R5B (B56β) PPP2R5C (B56γ) PPP2R5D (B56δ) PPP2R5E (B56ε) PPP2R3A (PR72) PPP2R3B (PR70) PPP2R3C (GSPR) PPP2R3D (PR59) STRN (Striatin) STRN3 (SG2NA) STRN4 |
A (PR65) | PPP2R1A PPP2R1B |
| Protein phosphatase 2B (PPP3C) | None | ||||
| PPP3CA PPP3CB PPP3CC |
B | PPP3R1 PPP3R2 |
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| Protein phosphatase 4 (PPP4C) | PPP4R1 PPP4R2 PPP4R3A PPP4R3B PPP4R4 |
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| Protein phosphatase 5 (PPP5C) | |||||
| Protein phosphatase 6 (PPP6C) | PPP6R1 PPP6R2 PPP6R3 ANKRD28 ANKRD44 ANKRD52 |
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| Protein phosphatase 7 (PPP7C) | |||||