| AKT | Protein kinase B |
| AP-1 | activator protein 1 |
| APC | antigen-presenting cell |
| ARF | ADP-ribosylation factor |
| ARHG7 | Rho guanine nucleotide exchange factor 7 |
| ASCT2 | Alanine, serine, cysteine transporter 2 |
| BAR | Bin, amphiphysin, Rvs |
| C1 | conserved type 1 PKC domain |
| CASP | cytohesin-associated scaffolding protein |
| CD28 | Cluster of differentiation 28 |
| CENPJ | centromere protein J |
| CSC | cargo-selection subcomplex |
| CTL | cytotoxic T lymphocyte |
| DAG | diacylglycerol |
| DGK | diacylglycerol kinase |
| EEA1 | early endosome antigen 1 |
| ESCRT | endosomal sorting complexes required for transport |
| ERK | Extracellular signal-regulated kinase |
| FERM | 4.1/ezrin/radixin/moesin |
| GLUT1 | glucose transporter 1 |
| IP3 | inositol triphosphate |
| IS | immune synapse |
| LFA-1 | lymphocyte function-associated antigen 1 |
| MHC | major histocompatibility complex |
| MTOC | microtubule-organizing center |
| mTOR | Mammalian target of rapamycin |
| Munc | mammalian unc |
| NFκB | nuclear factor κB |
| NK | natural killer |
| N-WASP | neuronal Wiskott–Aldrich syndrome protein |
| PA | phosphatidic acid |
| PDK1 | Phospholipid-dependent kinase type 1 |
| PDZ | postsynaptic density 95/discs large/zonula occludens-1 |
| PI | phosphoinositides |
| PI3K | phosphatidylinositol 3-kinase |
| PIP5K | phosphatidylinositol 4-phosphate 5-kinase |
| PIX | p21-activated kinase-interactive exchange factor |
| PKC | protein kinase C |
| PKD | protein kinase D |
| PLC | phospholipase C |
| PLD | phospholipase D |
| PMA | phorbol-12-myristate-13-acetate |
| PtdIns | phosphatidylinositol |
| PX | phox homology |
| RA | Ras-association |
| RasGRP1 | guanyl nucleotide-releasing protein for Ras 1 |
| SMAC | supramolecular activation cluster |
| SNARE | soluble NSF (N-ethylmaleimide-sensitive factor) attachment protein receptor |
| SNX | sorting nexin |
| TCR | T-cell receptor |
| TGN | trans-Golgi network |
| WASH | Wiskott–Aldrich syndrome protein and SCAR homolog |