- Virion infectivity factor, HIV2 (Vif)
- Protein Vpx, HIV2 (Vpx)
- Core protein, Tick-borne encephalitis virus (C protein)
- Glycoprotein, RABV (G)
- Major surface antigen p30, Toxoplasma gondii (P30)
- SAG-related sequence SRS34A, Toxoplasma gondii (P22)
- SAG-related sequence SRS57, Toxoplasma gondii (SAG3)
- Streptolysin O (SLO)
- Immunoglobulin G-binding protein G, Streptococcus sp. group G (IgG-binding protein G)