Recombinant human neurotrophin 3 (NT-3) protein is part of the NGF family of neurotrophic factors. NT-3 promotes differentiation and survival of specific neuronal subpopulations in both the central nervous system and peripheral nervous system. datasheet url: https://qkine.com/product/recombinant-human-nt3-protein-qk058/ source: E.coli expressed.