| Appetite-regulating hormone | 12.911 | UniProtKB |
| APRIL | 27.43 | Found via general search |
| Arachidonic Acid | 0.304 | Found via general search |
| Arginase-1 | 34.735 | UniProtKB |
| Arg-Ser | 0.26128 | UniProtKB |
| aspartate transaminase | 17.358 | UniProtKB |
| Axl (tyrosine-protein kinase 7) | 104 | Found via general search |
| B- and T-lymphocyte attenuator | 32.834 | UniProtKB |
| BAFF | 31.22 | Found via general search |
| BAMBI | 16.1 | Found via general search |
