A human tumor necrosis factor (TNF) alpha mutant that binds exclusively to the p55 TNF receptor produces toxicity in the baboon. - Van Zee KJ; Stackpole SA; Montegut WJ; Rogy MA; Calvano SE; Hsu KC; Chao M; Meschter CL; Loetscher H; Stüber D (The Journal of experimental medicine, 1994)