Nerve Growth Factor-β (Beta-NGF; NGF) is a neurotrophic factor that regulates neuronal survival and differentiation. NGF is also a seminal plasma protein involved in ovulation and luteinizing. NGF has potential functions in the female reproductive system to help overcome the current problem of early embryo loss. Beta-NGF Protein, Human (120a.a) is produced by E.coli (S122-A241), with tag free.