| Neurofilament heavy polypeptide | 111.838 | UniProtKB | 
| Neurofilament light chain | 68 | Found via general search | 
| Neuron-specifc enolase (NSE) | 78 | Found via general search | 
| Neuropeptide Y | 4.26 | Found via general search | 
| Neurotrophin-3 | 29.355 | UniProtKB | 
| Neurotrophin-4 | 22.427 | UniProtKB | 
| Neutrophil elastase | 28.518 | UniProtKB | 
| NF-kB | 228.26 | Found via general search | 
| NGF [Nerve Growth Factor] | 26.96 | Found via general search | 
| NGF-beta (beta-nerve growth factor) | 27 | Found via general search |