Separation of three microbial amino acid polymerization factors.

Abstract
Three complementary amino acid polymerization factors Ts, Tu, and G, have been isolated from the soluble fraction of P. fluorescens. Ts and Tu correspond, respectively, to a stable and an unstable subtraction of the T fraction3 separated previously from E. coli supernatant. Pseudomonas supernatant fractions and ribosomes are interchangeable with those of E. coli.