| Ub | Ubiquitin |
| Ub-G76 | C-terminal glycine residue of the Ub |
| M1 | Methionine-1 |
| Oct4 | Octamer-binding transcription factor-4 |
| E1 | Ub activating enzyme |
| E2 | Ub binding enzyme |
| E3 | Ub ligase |
| C | Cysteine |
| RING | Really interesting new gene |
| HECT | Homologous to E6-AP COOH terminus |
| RBR | RING between RING |
| Nedd4 | Neuronal precursor cell-expressed developmentally downregulated 4 |
| HERC | HECT and RLD-containing |
| RLD | RCC1-like domains |
| UPS | Ubiquitin proteasome system |
| Ube2c | Ubiquitin-conjugating enzyme 2C |
| Gp78 | Glycoprotein 78 |
| ERAD | Endoplasmic reticulum-associated degradation |
| MDM2/HDM2 | Mouse double minute 2/human homolog of mouse double minute 2 |
| TP53 | Tumor protein p53 |
| COP1 | Constitutive photomorphogenesis protein 1 |
| Pirh2 | P53-induced protein with a RING-H2 domain |
| CHIP | Co-chaperone carboxyl terminus Hsp70/90-interacting protein |
| Skp2 | S-phase kinase-associated protein 2 |
| Cul1 | Cullin 1 |
| Rbx1 | Ring box 1 |
| Skp1 | S-phase kinase-associated protein 1 |
| SCFSkp2 complex | The RING-type E3 complex Skp1–Cul1–Skp2 |
| FOXO1 | Forkhead box O1 |
| Yap | Yes-associated protein |
| MTH1 | MutT homolog-1 |
| ROS | Oxygen species |
| IAPs | Inhibitor of apoptosis-related proteins |
| XIAP | X-linked inhibitor of apoptosis |
| cIAP1/2 | Cellular inhibitor of apoptosis proteins 1 and 2 |
| ML-IAP | Melanoma inhibitor of apoptosis |
| ILP2 | Inhibitor of apoptosis-like protein 2 |
| BIR | Baculoviral IAP repeat |
| Wwp2 | WW domain-containing E3 Ubiquitin protein ligase 2 |
| AIP-2 | Atrophin-1-interacting protein 2 |
| PTEN | Phosphatase and tensin homolog |
| Nedd4-1 | Neural precursor cell expressed developmentally downregulated-4-1 |
| FDA | Federal Drug Administration |
| PROTAC | Proteolysis-targeting chimera |
| CRBN | Cereblon |
| mCRPC | Metastatic castration resistant prostate cancer |
| CRL4CRBN E3 complex | CUL4–DDB1–CRBN–RBX1 E3 complex |
| GSPT1 | G1-to S phase transition 1 |
| EGCG | Epigalocatechin-3-gallate |
| NSCLC | Non-small-cell lung cancer |
| I3C | Indole-3-carbinol |
| HOIP | Hoil-1-interacting protein |
| EMA | European Medicines Agency |