| POI | Protein of Interest |
| GFP | Green Fluorescent Protein |
| GST | Glutathione S Transferase |
| Trx | Thioredoxin |
| MBP | Maltose-Binding Protein |
| NusA | N-Utilization Substance A |
| HSA | Human Serum Albumin |
| SUMO | Small Ubiquitin-like Modifier |
| BLA | β-lactamase |
| Fc | (antibody) Fragment Crystallizable |
| TNF | Tumor Necrosis Factor |
| TRAIL | TNF-related Apoptosis-Inducing Ligand |
| scFv | Single-Chain Fab Fragment |
| SLG | Sodium Lauroyl Glutamate |
| TPO | Thrombopoietin |
| IMAC | Immobilized Metal Affinity Chromatography |
| CASPON | Caspase-Based Fusion Process |
| IMPACT | Intein-Mediated Purification with an Affinity Chitin-binding Tag |
| DTT | Dithiothreitol |
| HRV | Human Rhinovirus |
| TEV | Tobacco Etch Virus |