Purified human growth hormone from E. coli is biologically active.
Olson, K C⋅Fenno, J⋅Lin, N⋅Harkins, R N⋅Snider, C⋅Kohr, W H⋅Ross, M J⋅Fodge, D⋅Prender, G and Stebbing, N
Nature, vol. 293, (no. 5831), pp. 408-411, October 1, 1981. | Journal Article