| SHIP | Src homology 2 (SH2) domain containing inositol phosphatase |
| 4-Ptase | 4-Phosphatase |
| IPMK | Inositol polyphosphate multikinase |
| PI4-Kinases | Phosphatidylinositol 4-kinases |
| PIPK | Phosphatidylinositol phosphate kinase |
| PTEN | Phosphatase and tensin homolog deleted on chromosome 10 |
| OCRL | Oculocerebrorenal syndrome of Lowe |
| INPP | Inositol polyphosphate phosphatase |
| Sac1 | Phosphoinositide phosphatase Sac1 |
| SYNJ | Synaptojanin |
| MTM | Myotubularin |
| MTMRs | Myotubularin-related proteins |
| RAS-GEF | RAS guanine nucleotide exchange factor |
| SH2 | Src homology 2 domain |
| SH3 | Src homology 3 domain |
| spPH | Split PH domain |
| PDZ | Post-synaptic density protein Drosophila disc large tumor suppressor, and zo-1 protein |
| GRB2 | Growth factor receptor-bound protein |
| SOS | Son of sevenless protein |