proteina murina di 156 aminoacidi rappresentante la lunghezza intera della TNF&alpha matura, 50 µg
42 kDa, biologically active protein purified from bacterial lysates
ED50 as determined by the cytolysis of murine L929 cells in the presence of Actinomycin D is < 0.1 ng/ml, corresponding to a specific activity of > 1 x 107 units/mg