| Types/Family | Protein | Application |
| Albumin | Human serum albumin (HSA) | As an active substance for low albumin levels or as inactive ingredient |
| Feline serum albumin (FSA) | Increasing albumin levels and osmotic pressure |
| Canine serum albumin (CSA) |
| Bovine serum albumin (BSA) | As a standard reagent in experiments |
| Chemokine | Stromal cell-derived factor-1 (SDF-1) | Protecting the heart from ischemia-reperfusion injury; stimulating cardiac angiogenesis |
| Heparin-binding growth factor | Midkine | Exerting activities such as angiogenesis and fibrinolysis. |
| Osteoblast factor | MEPE fragment | Promoting bone formation and osteoblast proliferation |
| Apolipoprotein | Clusterin (CLU), Apolipoprotein A | Clearing cellular debris and apoptosis |
| E3 ubiquitin ligase | Parkin protein | Improving Parkinson's symptoms |
| Annexin | Annexin 5 | Inhibiting inflammation and endothelial activation as a potential therapeutic for sepsis |
| Neurotoxic peptides | Conopeptides, Conotoxins | For pain management, and cosmetics uses (like anti-wrinkle) |
| Botulinum toxin |
| Fusion protein | Human serum albumin (HSA) fused proteins | Improving pharmacokinetic properties and prolonging the half-life of peptides or proteins (mainly as a half-life extension carrier) |
| Designed ankyrin repeat proteins (DARPins), like DARPins containing HSA-binding domains |
| Other fusion proteins | Custom protein |
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